4 "LCD-Türtelefon

4" LCD Door phone Indoor: Features: handset intercom / night vision / display visitor/ door remote unlocking / adjust the contrast and brightness / supervise the front door situation anytime / suitable for single house, office and villia / 4 indoor monitors to 4 outdoor cameras at most solution available.Specification:lcd: 4"tft-lcdpower supply: dc18v/ac 100-250resolution: 480h*234vring type: 5 chord melody selectedtemperature: 0-+50cwiring: 4-wiringpower consumption: standby:130mw working:14wmaterial: abs plasticweight: 1.5kgsize: 220*195*48mm Outdoor Features: Waterproof functions /With 150 pcs image storage selection / camera: 14" b&w ccd or cmos optionSpecification:Resolution: 420tvlineLens and Angle: f6.0,about 70 degreeMin illumination: 1.5 luxOperating temperature: -20-+50CWiring: 4-wiringInstallation: wall-mountnight vision: 6 white light ledMaterial: iluminum alloyweight: 0.406kgsize: 125*93*32mm