Product or Service
Hand free B/W video door entry phone intercom doorbell
Profile:Manufacturer - Producer|Ref:PSL194975YH | Country: China | Currency: | Export: No
4" B/W Video doorphone
Easy used and operation!
Power: AC 110V-250V
Screen: 4" Flat CRT
Operation Temperature: -20℃ - +60℃
Match way: one outdoor camera to one indoor monitor, one outdoor camera to two indoor monitor, two to one, two to two, two to three.
Wired Connection: 4wired
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