Our full colour Wireless Video Door Phone allows you to clearly see who is at the door using inbuilt wire-free technology As well as live video, the Wireless Video Door Phone takes pictures of your last 20 visitors so you know who has called. Wireless operation range of up to 130 metres without need for separate wifi 2.4 Ghz digital system for clear audio and video Built in night-vision for day and night use Supplied with charging dock for receiver