We use cookies to make our website more useful to you OK
Store
About us
Partners
How to become a customer?
Contacts
Forgot password
Registration
ENG
LAT
LIT
RUS
ENG
EST
POL
SWE
FIN
Shop
News
Rental
Discounts
New products
Special price
SECURITY SYSTEMS
<
Page: 1/1 (69)
 
View:           
Products per page:24 48 96
FILTERS
Active filters: BALTIC TELECOM Gianni HIKVISION MICMAR TermoPasty WEICON TOOLS Clear all
Smoke detector testing spray. 250ml
125.534zł
 
Art.: 11640250Copy
Manuf.: WEICON TOOLS
Not available

Log in
Registration
PRICE
125.534zł / Pcs.
102.06zł / Pcs.
inc. VAT excl. VAT
✗
Compete stainless steel exit button
152.336zł /Pcs.
 
Art.: PBT-900-2Copy
Manuf.: Gianni
Not available

Log in
Registration
PRICE
152.336zł / Pcs.
123.85zł / Pcs.
inc. VAT excl. VAT
✗
Exit button. stainless steel 43x115x38mm
124.636zł /Pcs.
 
Art.: PBT-015Copy
Manuf.: Gianni
Not available

Log in
Registration
PRICE
124.636zł / Pcs.
101.33zł / Pcs.
inc. VAT excl. VAT
✗
Exit button flush. NO / NC
 
 
Art.: PBT-026Copy
Manuf.: Gianni
Not available

Log in
Registration
PRICE
124.636zł / Pcs.
101.33zł / Pcs.
inc. VAT excl. VAT
✗
Network Keyboard
 
 
Art.: DS-1600KICopy
Manuf.: HIKVISION
Not available

Log in
Registration
PRICE
124.636zł / Pcs.
101.33zł / Pcs.
inc. VAT excl. VAT
✗
Wall mount DS-2DE/AE4 series
192.138zł /Pcs.
 
Art.: DS-1602ZJCopy
Manuf.: HIKVISION
Not available

Log in
Registration
PRICE
192.138zł / Pcs.
156.21zł / Pcs.
inc. VAT excl. VAT
✗
Exit push button with a red LED light 12V 25mA
103.861zł /Pcs.
 
Art.: PBT-010LCopy
Manuf.: Gianni
Not available

Log in
Registration
PRICE
103.861zł / Pcs.
84.44zł / Pcs.
inc. VAT excl. VAT
✗
FOSE PLUS microprocessor control unit
14699.792zł /Pcs.
 
Art.: F008Copy
Manuf.: MICMAR
Not available

Log in
Registration
PRICE
14699.792zł / Pcs.
11951.05zł / Pcs.
inc. VAT excl. VAT
✗
Cube Camera. 2MP. 1/3” CMOS. IR LED 10m. 2.8m. DWDR. 3D DNR. BLC. 12VDC/PoE
399.652zł /Pcs.
 
Art.: DS-2CD2420F-ICopy
Manuf.: HIKVISION
Not available

Log in
Registration
PRICE
399.652zł / Pcs.
324.92zł / Pcs.
inc. VAT excl. VAT
✗
Network PTZ Cam. 2MP FullHD. 1/3 CMOS. 4.7 - 94mm. 0.02Lux. 20x Optiskais zoom. 3D DNR. ICR. DWDR. IR150m. IP66. 24VAC/PoE
3896.652zł /Pcs.
 
Art.: DS-2DE5220IW-AECopy
Manuf.: HIKVISION
Not available

Log in
Registration
PRICE
3896.652zł / Pcs.
3168.01zł / Pcs.
inc. VAT excl. VAT
✗
Access System Keyfob. 125kHz. d.39mm
3.875zł /Pcs.
 
Art.: KT-10Copy
Manuf.: Gianni
Not available

Log in
Registration
PRICE
3.875zł / Pcs.
3.15zł / Pcs.
inc. VAT excl. VAT
✗
Door Loop DL-350SP. stainless steel tips
58.856zł /Pcs.
 
Art.: DL-350-SPCopy
Manuf.: Gianni
Not available

Log in
Registration
PRICE
58.856zł / Pcs.
47.85zł / Pcs.
inc. VAT excl. VAT
✗
Electromagnetic Lock Waterproof. 10003M. up to 136kg. 12/24VDC
208.067zł /Pcs.
 
Art.: 10003M-12Copy
Manuf.: Gianni
Not available

Log in
Registration
PRICE
208.067zł / Pcs.
169.16zł / Pcs.
inc. VAT excl. VAT
✗
Exit button flush. NO / NC 5A/250AC. 6A/24DC
90.011zł /Pcs.
 
Art.: PBT-010Copy
Manuf.: Gianni
Not available

Log in
Registration
PRICE
90.011zł / Pcs.
73.18zł / Pcs.
inc. VAT excl. VAT
✗
4CH THD DVR. x1080H. H264. 4-ch audio input. 1 SATA. 12V. 15W
590.966zł /Pcs.
 
Art.: DS-7204HQHI-SHCopy
Manuf.: HIKVISION
Not available

Log in
Registration
PRICE
590.966zł / Pcs.
480.46zł / Pcs.
inc. VAT excl. VAT
✗
Patch panel 16 -BNC and RJ 45 ports. 2U
1070.678zł /Pcs.
 
Art.: BTBP160-BNCCopy
Manuf.: BALTIC TELECOM
Not available

Log in
Registration
PRICE
1070.678zł / Pcs.
870.47zł / Pcs.
inc. VAT excl. VAT
✗
NVR. 16-ch. 5MP/3MP/1080. 2 SATA. HDMI/VGA. ONVIF. 1920x1080
1869.502zł /Pcs.
 
Art.: DS-7616NI-E2Copy
Manuf.: HIKVISION
Not available

Log in
Registration
PRICE
1869.502zł / Pcs.
1519.92zł / Pcs.
inc. VAT excl. VAT
✗
IP Bullet Camera. 3MP. 1/3” CMOS. IR 80m. 4mm. H.265. WDR. IP67. Micro SD. 3D Zoom. PoE
 
 
Art.: DS-2CD2T35FWD-I8Copy
Manuf.: HIKVISION
Not available

Log in
Registration
PRICE
1869.502zł / Pcs.
1519.92zł / Pcs.
inc. VAT excl. VAT
✗
NVR. 16-ch. 8 PoE. 5MP/3MP/1080. 2 SATA. HDMI/VGA. ONVIF. 1920x1080
1737.941zł /Pcs.
 
Art.: DS-7616NI-E2/8PCopy
Manuf.: HIKVISION
Not available

Log in
Registration
PRICE
1737.941zł / Pcs.
1412.96zł / Pcs.
inc. VAT excl. VAT
✗
Optic Transmitter TX
1530.218zł /Pcs.
 
Art.: B030Copy
Manuf.: MICMAR
Not available

Log in
Registration
PRICE
1530.218zł / Pcs.
1244.08zł / Pcs.
inc. VAT excl. VAT
✗
Exit Button Housing. plastic
24.231zł /Pcs.
 
Art.: SMB-040Copy
Manuf.: Gianni
Not available

Log in
Registration
PRICE
24.231zł / Pcs.
19.70zł / Pcs.
inc. VAT excl. VAT
✗
Battery 7.2V/5000mA
632.171zł /Pcs.
 
Art.: T019Copy
Manuf.: MICMAR
Not available

Log in
Registration
PRICE
632.171zł / Pcs.
513.96zł / Pcs.
inc. VAT excl. VAT
✗
Optic Receiver RX
1530.218zł /Pcs.
 
Art.: B020Copy
Manuf.: MICMAR
Not available

Log in
Registration
PRICE
1530.218zł / Pcs.
1244.08zł / Pcs.
inc. VAT excl. VAT
✗
Processor
3275.084zł /Pcs.
 
Art.: A036Copy
Manuf.: MICMAR
Not available

Log in
Registration
PRICE
3275.084zł / Pcs.
2662.67zł / Pcs.
inc. VAT excl. VAT
✗
Exit Button Housing. st.steel
32.054zł /Pcs.
 
Art.: SMB-050Copy
Manuf.: Gianni
Not available

Log in
Registration
PRICE
32.054zł / Pcs.
26.06zł / Pcs.
inc. VAT excl. VAT
✗
Dome IP Camera. 2MP. 1/2.8” CMOS. 4mm fixed F2.0. H.264/MJPEG. 3DNR. ONFVIF. MicroSD. IP66. IK10. IR 30m. 12VDC/PoE
623.167zł /Pcs.
 
Art.: DS-2CD2120F-ICopy
Manuf.: HIKVISION
Not available

Log in
Registration
PRICE
623.167zł / Pcs.
506.64zł / Pcs.
inc. VAT excl. VAT
✗
Dome IP Camera. 2MP. 1/2.8” CMOS. 2.8-12 x4. H.264/Pan range: 0°-350°. Tilt range: 0°-90
1604.031zł /Pcs.
 
Art.: DS-2DE3204W-DECopy
Manuf.: HIKVISION
Not available

Log in
Registration
PRICE
1604.031zł / Pcs.
1304.09zł / Pcs.
inc. VAT excl. VAT
✗
NVR 16-ch/16PoE. 8MP. 2 SATA. HDMI/VGA. ONVIF. 4K. 4In/1 Out
1848.727zł /Pcs.
 
Art.: DS-7616NI-K2/16PCopy
Manuf.: HIKVISION
Not available

Log in
Registration
PRICE
1848.727zł / Pcs.
1503.03zł / Pcs.
inc. VAT excl. VAT
✗
Dome IP Camera. 2MP. 1/2.8” CMOS. 2.8mm fixed. H.264+. 3DNR. ONFVIF. MicroSD. IP67. IK10. IR 30m. WI-Fi. 12VDC/PoE
628.358zł /Pcs.
 
Art.: DS-2CD2122FWD-I(W)(S)Copy
Manuf.: HIKVISION
Not available

Log in
Registration
PRICE
628.358zł / Pcs.
510.86zł / Pcs.
inc. VAT excl. VAT
✗
Exit push button. red. NO / NC 5A 125VAC
 
 
Art.: PBT-452BSCopy
Manuf.: Gianni
Not available

Log in
Registration
PRICE
628.358zł / Pcs.
510.86zł / Pcs.
inc. VAT excl. VAT
✗
SENSORPROOF Anti-intrusion Fibre Optic Sensor Cable. MM 50/125 OM2 K005
16.199zł /m
 
Art.: K005Copy
Manuf.: MICMAR
Not available

Log in
Registration
PRICE
16.199zł / m
13.17zł / m
inc. VAT excl. VAT
✗
Dome IP Camera. 3MP. 1/2.8” CMOS. 2.8mm fixed. H.265. IR30m. WDRF. MicroSD. IP67. IK10. PoE
709.095zł /Pcs.
 
Art.: DS-2CD2135FWD-I F2.8Copy
Manuf.: HIKVISION
Not available

Log in
Registration
PRICE
709.095zł / Pcs.
576.50zł / Pcs.
inc. VAT excl. VAT
✗
Exit push button. red color. NO / NC 5A 125VAC
87.17zł /Pcs.
 
Art.: PBT-860BS-RCopy
Manuf.: Gianni
Not available

Log in
Registration
PRICE
87.17zł / Pcs.
70.87zł / Pcs.
inc. VAT excl. VAT
✗
Dome IP Camera. 3MP. 2.8” CMOS. 2.8 -12mm. H.264+. IR30m. 120dB WDR. MicroSD. IK10. PoE
2029.795zł /Pcs.
 
Art.: DS-2CD4135FWD-IZCopy
Manuf.: HIKVISION
Not available

Log in
Registration
PRICE
2029.795zł / Pcs.
1650.24zł / Pcs.
inc. VAT excl. VAT
✗
Exit Button with LED light NO/NC. 9-30VAC/DC
174.414zł /Pcs.
 
Art.: PBT-419PTE-LEDCopy
Manuf.: Gianni
Not available

Log in
Registration
PRICE
174.414zł / Pcs.
141.80zł / Pcs.
inc. VAT excl. VAT
✗
Exit Button Housing. plastic
24.231zł /Pcs.
 
Art.: PBS-86GCopy
Manuf.: Gianni
Not available

Log in
Registration
PRICE
24.231zł / Pcs.
19.70zł / Pcs.
inc. VAT excl. VAT
✗
Sensor unit
30.812zł /Pcs.
 
Art.: S080Copy
Manuf.: MICMAR
Not available

Log in
Registration
PRICE
30.812zł / Pcs.
25.05zł / Pcs.
inc. VAT excl. VAT
✗
THD Bullet outdoor camera. IR 40m. 1080TVL. 3.6mm. 12VDC. 3.5W. -40 °C - 60 °C
372.653zł /Pcs.
 
Art.: DS-2CE16D1T-IT3Copy
Manuf.: HIKVISION
Not available

Log in
Registration
PRICE
372.653zł / Pcs.
302.97zł / Pcs.
inc. VAT excl. VAT
✗
IP Bullet Camera. 4MP. 1/3” CMOS. H.264. IR LED 30m. 2.8-12mm fixed F2.0. EZVIZ P2P. DWDR. 3DNR. IP66. 12VDC/PoE
1528.693zł /Pcs.
 
Art.: DS-2CD2642FWD-ISCopy
Manuf.: HIKVISION
Not available

Log in
Registration
PRICE
1528.693zł / Pcs.
1242.84zł / Pcs.
inc. VAT excl. VAT
✗
Clamping assembly
30.812zł /Pcs.
 
Art.: S090Copy
Manuf.: MICMAR
Not available

Log in
Registration
PRICE
30.812zł / Pcs.
25.05zł / Pcs.
inc. VAT excl. VAT
✗
XVI Bullet outdoor camera. IR 40m. 1080TVL. 3.6mm. 12VDC. -20 °C - 65 °C
 
 
Art.: JF-XVI-ED2351-IR2Copy
Manuf.: HIKVISION
Not available

Log in
Registration
PRICE
30.812zł / Pcs.
25.05zł / Pcs.
inc. VAT excl. VAT
✗
Dome IP Camera. 4MP. 1/3 CMOS. IR LED 30m. 2.8mm. DWDR. BLC. IP67. IK10. 12VDC/PoE
444.042zł /Pcs.
 
Art.: DS-2CD1141-ICopy
Manuf.: HIKVISION
Not available

Log in
Registration
PRICE
444.042zł / Pcs.
361.01zł / Pcs.
inc. VAT excl. VAT
✗
Cube Camera. 4MP. 1/3” CMOS. IR LED 10m. 2.8m. Wi-Fi. DWDR. 3D DNR. BLC. 12VDC/PoE
599.49zł /Pcs.
 
Art.: DS-2CD2442FWD-IWCopy
Manuf.: HIKVISION
Not available

Log in
Registration
PRICE
599.49zł / Pcs.
487.39zł / Pcs.
inc. VAT excl. VAT
✗
IP Bullet Camera. 4MP. 1/3” CMOS. IR LED 30m. 2.8-12mm motorized l F1.2. IP67. 12VDC/PoE
972.278zł /Pcs.
 
Art.: DS-2CD1641FWD-IZCopy
Manuf.: HIKVISION
Not available

Log in
Registration
PRICE
972.278zł / Pcs.
790.47zł / Pcs.
inc. VAT excl. VAT
✗
THD Bullet outdoor camera. IR 80m. 1080TVL. 3.6mm. 12VDC. 3.5W. -40 °C - 60 °C
424.867zł /Pcs.
 
Art.: DS-2CE16D1T-IT5Copy
Manuf.: HIKVISION
Not available

Log in
Registration
PRICE
424.867zł / Pcs.
345.42zł / Pcs.
inc. VAT excl. VAT
✗
Dome IP Camera. 4MP. 1/2.8” CMOS. 2.8mm fixed. H.264+. IR30m. ONFVIF. MicroSD. IP66. PoE
639.785zł /Pcs.
 
Art.: DS-2CD2142FWD-ICopy
Manuf.: HIKVISION
Not available

Log in
Registration
PRICE
639.785zł / Pcs.
520.15zł / Pcs.
inc. VAT excl. VAT
✗
IP Bullet Camera. 4MP. 1/3” CMOS. H.264. IR LED 30m. 4mm fixed F2.0. DWDR. 3DNR. EZVIZ P2P. IP66. 12VDC/PoE
549.564zł /Pcs.
 
Art.: DS-2CD2042WD-ICopy
Manuf.: HIKVISION
Not available

Log in
Registration
PRICE
549.564zł / Pcs.
446.80zł / Pcs.
inc. VAT excl. VAT
✗
IP Bullet Camera. 4MP. 1/3” CMOS. H.264. IR LED 80m. 6mm fixed F2.0. EZVIZ P2P. DWDR. 3DNR. IP66. 12VDC/PoE
774.728zł /Pcs.
 
Art.: DS-2CD2T42WD-I8Copy
Manuf.: HIKVISION
Not available

Log in
Registration
PRICE
774.728zł / Pcs.
629.86zł / Pcs.
inc. VAT excl. VAT
✗
Dome IP Camera. IFishEye 6MP. 1/1.7” CMOS. 1.27mm. H.264+. IR15m. MicroSD. IK10. IP67. PoE
 
 
Art.: DS-2CD6362F-IVSCopy
Manuf.: HIKVISION
Not available

Log in
Registration
PRICE
774.728zł / Pcs.
629.86zł / Pcs.
inc. VAT excl. VAT
✗
Dome IP Camera. 4MP. 2.8” CMOS. 2.8 -12mm. H.264+. IR30m. 120dB WDR. MicroSD. IP67. PoE
984.467zł /Pcs.
 
Art.: DS-2CD1741FWD-IZCopy
Manuf.: HIKVISION
Not available

Log in
Registration
PRICE
984.467zł / Pcs.
800.38zł / Pcs.
inc. VAT excl. VAT
✗
Electromagnetic Lock GEM300. up to 136kg. 12/24VDC
 
 
Art.: GEM-300Copy
Manuf.: Gianni
Not available

Log in
Registration
PRICE
984.467zł / Pcs.
800.38zł / Pcs.
inc. VAT excl. VAT
✗
Card Reader and Controller. outdoor. 10 cards. 12VDC. 110mA. -20ºC-70ºC
142.077zł /Pcs.
 
Art.: 981-10/982Copy
Manuf.: Gianni
Not available

Log in
Registration
PRICE
142.077zł / Pcs.
115.51zł / Pcs.
inc. VAT excl. VAT
✗
NVR 332-ch. 12MP. 4 SATA. HDMI/VGA. ONVIF. 1920x1080
2458.044zł /Pcs.
 
Art.: DS-7732NI-K4Copy
Manuf.: HIKVISION
Not available

Log in
Registration
PRICE
2458.044zł / Pcs.
1998.41zł / Pcs.
inc. VAT excl. VAT
✗
Card Reader. outdoor. 10 cards. 12VDC. 70mA. -20ºC-70ºC
142.077zł /Pcs.
 
Art.: EASIPROXCopy
Manuf.: Gianni
Not available

Log in
Registration
PRICE
142.077zł / Pcs.
115.51zł / Pcs.
inc. VAT excl. VAT
✗
NVR 332-ch/16PoE. 12MP. 4 SATA. HDMI/VGA. ONVIF. 1920x1080
3254.309zł /Pcs.
 
Art.: DS-7732NI-K4(/16P)Copy
Manuf.: HIKVISION
Not available

Log in
Registration
PRICE
3254.309zł / Pcs.
2645.78zł / Pcs.
inc. VAT excl. VAT
✗
Aerosol for testing CO sensor detectors. 400ml
55.387zł
 
Art.: ART.AGT-212/PCopy
Manuf.: TermoPasty
Not available

Log in
Registration
PRICE
55.387zł / Pcs.
45.03zł / Pcs.
inc. VAT excl. VAT
✗
NVR. 4-ch. 5MP/3MP/1080. 1 SATA. HDMI/VGA. ONVIF. 1920x1080
578.162zł /Pcs.
 
Art.: DS-7604NI-E1Copy
Manuf.: HIKVISION
Not available

Log in
Registration
PRICE
578.162zł / Pcs.
470.05zł / Pcs.
inc. VAT excl. VAT
✗
32 channe DVR. 16-ch BNC + 16-ch IP camera. H.264. HDMI. 2 SATA. WD1. 4-ch. RCA. 2 SATA HDD. 12VDC. 10W
2451.808zł /Pcs.
 
Art.: DS-7616HI-STCopy
Manuf.: HIKVISION
Not available

Log in
Registration
PRICE
2451.808zł / Pcs.
1993.34zł / Pcs.
inc. VAT excl. VAT
✗
NVR. 4 PoE. 5MP/3MP/1080. 1 SATA. HDMI/VGA. ONVIF. 1920x1080
 
 
Art.: DS-7604NI-E1/4PCopy
Manuf.: HIKVISION
Not available

Log in
Registration
PRICE
2451.808zł / Pcs.
1993.34zł / Pcs.
inc. VAT excl. VAT
✗
NVR. 4-ch. 4 PoE. 1 SATA. 8MP/6MP/5MP/4MP/3MP/1080p. 1RCA. VGA/HDMI
810.115zł /Pcs.
 
Art.: DS-7604NI-K1/4PCopy
Manuf.: HIKVISION
Not available

Log in
Registration
PRICE
810.115zł / Pcs.
658.63zł / Pcs.
inc. VAT excl. VAT
✗
NVR. 8-ch. 5MP/3MP/1080. 2 SATA. HDMI/VGA. ONVIF. 1920x1080
864.124zł /Pcs.
 
Art.: DS-7608NI-E2Copy
Manuf.: HIKVISION
Not available

Log in
Registration
PRICE
864.124zł / Pcs.
702.54zł / Pcs.
inc. VAT excl. VAT
✗
NVR. 8-ch. 8 PoE. 5MP/3MP/1080. 2 SATA. HDMI/VGA. ONVIF. 1920x1080
1431.203zł /Pcs.
 
Art.: DS-7608NI-E2/8PCopy
Manuf.: HIKVISION
Not available

Log in
Registration
PRICE
1431.203zł / Pcs.
1163.58zł / Pcs.
inc. VAT excl. VAT
✗
NVR. 4-ch. 4 PoE. 1 SATA. 8MP/6MP/5MP/4MP/3MP/1080p. 1RCA. VGA/HDMI
 
 
Art.: DS-7608NI-K2/8PCopy
Manuf.: HIKVISION
Not available

Log in
Registration
PRICE
1431.203zł / Pcs.
1163.58zł / Pcs.
inc. VAT excl. VAT
✗
NVR 32-ch. 12MP. 8 SATA/RAID. 2HDMI. alarm I/O: 16/4. 2U
8488.907zł /Pcs.
 
Art.: DS-9632NI-I8Copy
Manuf.: HIKVISION
Not available

Log in
Registration
PRICE
8488.907zł / Pcs.
6901.55zł / Pcs.
inc. VAT excl. VAT
✗
Electromagnetic Lock GEM600 up to 270kg. 12/24VDC
 
 
Art.: GEM-600Copy
Manuf.: Gianni
Not available

Log in
Registration
PRICE
8488.907zł / Pcs.
6901.55zł / Pcs.
inc. VAT excl. VAT
✗
Electromagnetic Lock N10001ST. up to 270kg. 12/24VDC
 
 
Art.: N10001ST-12Copy
Manuf.: Gianni
Not available

Log in
Registration
PRICE
8488.907zł / Pcs.
6901.55zł / Pcs.
inc. VAT excl. VAT
✗
Metal enclosure with key. surface mounted. 280x280x74mm. light gray
48.474zł /Pcs.
 
Art.: Z2000128722Copy
Manuf.: BALTIC TELECOM
Not available

Log in
Registration
PRICE
48.474zł / Pcs.
39.41zł / Pcs.
inc. VAT excl. VAT
✗
Electromagnetic Lock with Door Status Indicator. up to 540kg. 12/24VDC
306.737zł /Pcs.
 
Art.: 10020Copy
Manuf.: Gianni
Not available

Log in
Registration
PRICE
306.737zł / Pcs.
249.38zł / Pcs.
inc. VAT excl. VAT
✗
Electromagnetic Lock GEM1200. up to 540kg. 12/24VDC
 
 
Art.: GEM-1200Copy
Manuf.: Gianni
Not available

Log in
Registration
PRICE
306.737zł / Pcs.
249.38zł / Pcs.
inc. VAT excl. VAT
✗
Price
Manufacturer
Show all
Show less
inc. VATexcl. VAT
Store
About us
Partners
How to become a customer?
Contacts
© 2024 BPG Polska Sp. z o.o. KRS: 0001002339, NIP: 8982285496, REGON: 523679202
Legalny adres: ul. Księcia Witolda 49/15, 50-202 Wrocław, Polska
info@bpgpolska.pl
Saved!
Go to shopping cart
To book a rental, please, go to the cart.
Go to shopping cart
Saved!
Out of stock
available on request
Go to shopping cart
Saved!
Go to project
Saved!
Go to catalogue
Thank you! Your request has been received!
zł