AUTOMATIC SENSOR: Auto-on within 10 feet, auto-off after 15 seconds of no motion detected helps prolong battery life. It will turn on only when it is dark and when motion is detected. 10 LED & SUPER BRIGHT: With 10 LED in each light, Motion sensor lights provides enough light to make sure you never stumble in the dark. Fantastic energy saving and environmentally friendly ensures an extra-long life for your light. RECHARGEABLE BATTERY: This Motion Sensor LED Light is Powered by Built-in rechargeable battery, you can charge it via a USB cable, or USB port. Smart sensor chip with passive infrared technology, reliable performance and high sensitivity, accurately detect your movement. SIMPLE INSTALLATION: An adhesive strip with magnetic fields is easily attached to and detachable from the lamp body. No tools, screws or nuts are required.10 pcs bright/ warm white LED, energy-saving and environment friendly. LIGHTWEIGHT & PORTABLE DESIGN: Bar shaped and compact sized make it an ideal night light for your bedroom, bathroom, stairs, hallway, kitchen, closet, etc.