Product information3 LED bulb Solar lamp Round White Waterproof Outdoor Lights Optical Sensor Lighting Solar Charged Powered fence mount light 1. Switch method: ON/OFF switch + optical sensor、 light on when in the darkness2. Solar charged for built-in rechargeable Ni-MH battery (1.2V/800mAh) -(battery Included)3. Waterproof class: IP444. Material: ABS + Alu. alloy5. Charge time: 8~10hours6. Work time: approx. 6~8hours after full charged7. Size: 120 *63 mm