So how does it work: During the day the solar panel charges and when dark the light automatically tuns on and then again automatically turns off at dawn. The Solar Garden Spot can be manually turned off should you not wish to have it on every night. Key Features: - Fully adjustable light & solar panel angle - Free to run and with no wiring so simple to install. No costly electrician required. - Light from 8 number super bright white LEDs. - Case is made from toughened black plastic. - On/Off Switch. - 2 Year Guarantee. Technical Profile: - Panel output: 4V/200mA 0.8W. - Solar Cell type: Mono-crystalline. - Light: 8 very bright right white LEDs. - Stake fixing. - Battery: 3x1500mAh Ni-Mh 4500mAh (supplied). - 2 year guarantee. Dimensions: H - 58.8cm with spike. W - 13.8cm. D - 16.5cm.