7 inch video door phone doorbell intercom

Able 25 pieces of chord music ring Aluminum alloy out-door camera, anti-oxidation Ip44 waterproof standard outdoor unit One camera can be connected to up to 8 monitors Stylish vision and high quality 200m available distance Do it yourself installation Applications: Buildings, offices, villas, hospitals, prisons, security booths, hotels, factories, etc. Specifications: Outdoor unit Camera sensor: color cmos Resolution: 600 lines Night vision: 5 meters, 0 lux Gain control: auto Talk time delay: 120s¡¡§¡è10% Effective distance: 200m (4¡¡§¡é0.75mm2) Visual angle: up/down: 66 degrees, left/right: 75.7 degree Power consumption: 2w Power source: 15v (provided by indoor unit) Operating temperature: -20 degree- +60 degree Relative humidity: 80%-90% (kh) Installation method: embedded or wall-mounted type Dimension:95mm x 127mm x 34mm Indoor unit: Screen : 7" digital tft lcd 16:9 display Rosolution: 800¡¡§¡é3(rgb)¡¡§¡é480 Visual angle: up: 50 degrees, down: 70 degree, left/right: 70 degrees Brightness: 200 cd/m2 Ringtone: 25 chord music Sensitivity: 56 db Signal system: pal/ntsc (optional) Input voltage: ac 100 v-240 v 50hz/60hz Overall power consumption: 6 w (400 ma) Stand-by power consumption: 1.1 w Power adapter: dc15v 1200ma Talk time delay: 120s ¡¡§¡è 10% Monitor time delay: 40s ¡¡§¡è 10% Effective distance: 200m (4¡¡§¡é0.75mm2) Operating temperature: -20 degree- +60 degree Relative humidity: 10% - 90% (kh) Installation method: wall-mounted type Material: aluminum alloy panel + abs plastic shell Dimension:260mm x 165mm x 30mm Contents: 1 x indoor unit 1 x outdoor unit 1 x power adapter 1 x 5m connection cable 1 x mounting board 1 x electric lock cable 1 x screw kit 1 x manual