Адрес: Flat I, 6/F, Blk 4, Golden Dragon Ind Ctr, 182 Tai Lin Pai Rd, Kwai Chung, N.T., Hong Kong
Телефон: +852--29510886
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- built-in transformer. With high temperature protection.- mechanical ding-dong tone.- different color available.- product size:167 x 102 x 45 mm(lx w x h)
- Englarge the ringing sound of your telephone.- Good for big house, office, warehouse.- Good also for hearing impaired.- No battery required. Telephone line powered to operate.- Level of sound:90 dB
Display:3.5-inch TFT LCD MonitorResolution:420 TV LinesExtension:3 monitors(or up) capability with one camera(optional)4 wire polarity or 2 wire polarity, (option)Warning intrusion alarm,, Door openin
Display:4-inch flat type B/W CRT MonitorResolution:400 TV LinesDoor opening function(door opener is optional)Audio/Video output.Prevent teardown warning.With infrared night vision.
Video doorphone system with extra surviellance cameras, pdp-113-01-display:4 b/w CRT monitor. Or 3.5 TFT color monitor.-bi-directional speaking system-door lock release.- with contract, brightness, vo