video door phones

1) 3.5" TFT LCD display  
2) Low power consumption.
3) Intercommunication
4) Electric-controlled unlocking
5) Monitor outdoor.
6) LED lumination compensation
7) 16 chord melodies for ring
8) Pinhole camera
9) With Raincover
10) Water-proof, damage-proof & explosion-proof outdoor unit

Features:

6) With powersupply built-in door phone

Specifications:
1) Dimensions (W x H x D): 180 x 150 x 35mm
2) Four-wire system
3) Power supply: 13.5 V DC / AC 110V~240V
4) Material of outdoor unit: aluminum alloy casting
5) Handsfree monitor                    

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home automation system(color video door phone,intercom entry system)
3.5" color display with power supply built-in doorphone