Automatic Motion Sensor Solar LED Deck Lights for Security: The solar deck light turns on automatically in the dusk and turns off at dawn. Dim Light Sensor Mode: when in dark night, the solar deck LED light will be dim without people coming near, however become bright if people comes, and the bright light will last 15-20 seconds until it returns to dim light again. Ultra-Bright Solar Deck Lights: High-powered 20 LEDs provide excellent illumination of up to 160 lumens. This is bright enough to turn night into day and provide security for your home or business. No worry about being outdoors in the dark at night. Solar LED Sensor Light with a large sensor: Sensing range of 10 feet with a 120 degree sensing angle.IP65 waterproof and heatproof, solar powered lights, suitable for most kinds of weathers. Weatherproof and Durable: Fully sealed lamp body surface and waterproof design, with independent waterproof switch. This Led solar lights can withstand years of usage.