This two way communication and monitoring system allows a carer to see and also hear and speak to a person from another room. It consists of a camera unit and a separate monitor unit with 61mm LCD colour display. Vertically swivelling camera has 6 infra-red diodes for night vision operation and a built in night light which can be automatically switched on or off from the monitor unit. Constantly transmits temperature readings from its surroundings to the monitor unit. Transmits up to 150m through a secure 36 channel 2.4 Ghz digital connection. Monitor features brightness and volume control, 2x zoom, features brightness and volume control, belt clip, out of range indicator, display on/off function, and automatic on function should sound be detected. Monitor lights up to visually alert carer to sound detected by camera, making it ideal for those with hearing impairment Monitor unit powered by the mains power unit (supplied) or a rechargeable 3.7v 1800mAh battery (not included) additional cameras are also available up to 4 can be linked to one monitor. Pillow shaker also available at additional cost.