Recharges via the solar panel during daylight and turns on automatically at dusk. The PIR sensor has an on/off switch and adjustments for Sensitivity, Time and Lux. The solar panel measures 14.5cm by 11.5cm. The light unit measures 13.5cm by 7.5cm. The overall height is 23cm and depth from back of bracket to front of light is 25cm. Supplied complete with wall fixings and spike for ground use.