2.4GHz digital technology. Multi positional infra-red camera for colour video (day) and black & white (night). Small, lightweight design. Scan feature allow you to add extra cameras to monitor up to 4 rooms. Simple and intuitive button system. Rechargeable batteries included (should last up to 10 hours of continuous use). 2 AC adaptors included. Sound lights. Volume control/ brightness control. Wall anchor and security clips for camera installation. Built in flip stand with multi tilt option. Portable parent unit. 100 meter range. Out of range indicator. Sound sensitive light display. 2 5in/ 4.6cm colour monitor. Low battery indicator. Parent unit requires rechargeable batteries (included). Baby unit requires main adaptor (included).