Summer digital. Multi- range. Video. Portable parent unit. Range 100 metres. Volume control. Sound sensitive light display. Size of video monitor 2.5 inch / 6.3cm. Colour screen. Low battery indicator. Parent unit requires rechargeable batteries (included). Mains adaptor provided for both parent and baby unit. Remotely pan / tilt and zoom camera from parent unit. Complies with EN 60 / EN 61558 (adaptors) and R&TTE direct.