... Phone V3B-M 1.Material:Metal 2.Weight:2kg 3.Monitor size:190*223*48mm 4.Nightvision Description1.Metal Pin-hole ... CCD sensor.6 LED lights,nightvision.2.handfree indoor monitor, 4 inch CRT,clear image.3.intercommunication,monitoring the outdoor,unlock..4. Intercommunication ... .four wires,DIY installation9.Including in one kit:One indoor monitor, one outdoor camera, power adapter, user manual,cables.10. ...