Nubee 16 LED Solar Power Motion Sensor Garden Security Lamp Outdoor Waterproof Light Weatherproof & no batteries required Powerful Environmentally friendly 16 LED Solar Outdoor LED Light w/ Life Span of 50,000 hours Light instantly turns on when it detects motion within 10ft, no batteries, no cables, & easy to install Sensitive Motion Sensor that triggers withing 10ft and at a 120 degree angle. Auto delay and restore in dark to save energy The instant motion is detected, the lights turn on automatically. When the motion stops, the light stay on for approx 30 seconds