7" Color handfree one-to-three Video Door Ph

Feature:1.Brushed aluminum design the perfect outdoor unit 2.7 inch TFT LCD, no radiation, low power, high-definition widescreen image. 3.Free intercom function. 4.Electronically control unlock function. 5.A monitor outside with main / auxiliary Unit. 6.Image brightness, color and audio can be adjusted. 7.Oxidation and wear-resistant surface treatment of aluminum alloy outdoor unit 8.Indoor ultra-thin design with a full luxury. 9.12 selectable ring tones, do not always hear the monotone of the doorbell. 10.Off disturb functionTechnique Parameter:1.Power:AC220V--50Hz DC15V 1.5A 2.Electriciity Current:<800mA 3.Time for call:120S±10% 4.Time for display:60S±10%5.Camera:1/3 OV7949 420TVL(For higher resolution,CCD is optional,add more USD9/unit)6.Lens:6MM62/92 degree7.Outdoor Unit with IR night vision function8.Indoor unit dimension:(H)165×(W)235×(D)35mm9.Outdoor unit dimension:(H)125×(W)52×(D)30mm10.Indoor and out door installation:wall mount11.Cable: 4 core cable 5 m (2 pcs) + 2core cable lock line (line 2 auxiliary terminals12. 1 pc power adapter 15V1.2A13. Screw and nuts package( 1 bag)14. Mount panel 1 pc15. Instruction menu 1 pc 16. Color box package