·Single household system video inter-phone
·2 lines connecting simply
·Visitor calling, video intercom, unlock, monitor
·With hand-move warn threaten function
·With prevent demolish alarm
·It can connect image memory
·Auto fixed time off of the picture
·Auto economize power control
·Power Supply: DC 14V-18V
·Waiting state consumption: < 0.5W
·Working state consumption: < 10W
·Screen: flat tube 4-inch CRT B/W
·Resolution: 400 TV lines
·Video input: 1V p-p
·Calling shown on the picture time: 30 seconds
·Pick up handset shown on the time: 60 seconds
·Chime: double dingdong chime
·Sound sensor: -62dB +/- 4%
·Audio frequency: 500-3,000Hz
·Audio output: 75dB max
·Operation temperature: -10 - 40 deg. C
·Installation: wall-mounted
·External dimensions: 225 (L) x 192 (W) x 54(H) mm |
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