Solar Charged LED Lamp Post Decorative Yard Light with 3 Height Options Solar panel recharges batteries during daylight - rechargeable batteries included Automatic sensor turns lamp on at dusk, off at dawn. On/off switch for manual control Ten (10) hours of operation when fully charged Rustproof and UV proof aluminum support posts with a black powder coat finish LED solar lamp working voltage: 3.6V 1800 mAh