... by key,work attendance function 3: handfree,night vision 7" Color Video Door Phone unlock by ID card,by password,by ... CMOS or CCD sensor.6 LED lights,nightvision.**handfree indoor monitor,7 inch TFT,clear image.**intercommunication,monitoring the outdoor,unlock..** ... Color box,5sets in one carton.**surface mounting for monitor and camera **monitor dimension:230(L)×180(W)×18(H)mm **camera ...