Switel BCF820 Baby monitor is an easy to use & practical Digital Video Monitor which is full of useful features. Switel have designed this monitor to have a range of up 300m, so means parents have the freedom to move around the house with the knowledge that they will be able to keep connected with their child. Monitor: Display switches on/off (save energy mode) Brightness control Volume control LI-ION Acumulator: 3, 7 V, 1200 m Ah (contained in material supplied) Camera Unit: Night light in baby unit Infrared diodes for night vision function Voice operated exchange (VOX) Vertically pivoted camera Transmission range up to 300 m under optimal conditions Mains or accu power operation