Closet Light with 3 Modes: Motion Sensor Mode; Always on mode; Motion Sensor Mode (50% brightness). The motion detector only works in the dark. It will automatically turn on when motion is detected within a range of 3-5 meters. It will automatically power off after 15s if no motion detected. Please fully charge when first use, charging time is about 2-3 hours. Safety and Energy Saving: The wireless LED lights have 3 modes to meet your needs. Made of premium ABS+PC, giving you a convenient and safe life. Powered by USB (USB cable included), built-in 1000mAh rechargeable battery. Easy to install: Built-in magnet, it can stick on any iron surface, like refrigerator, kitchen cabinet, etc. Comes with a strip of 3M stickers, it can be attached to any non-iron surface, such as bookcase, cabinet, etc. Multiple uses: perfect for closet, closet, a hallway, attic, basement, kid's room, kitchen, living room, garage, or anywhere that needs a little extra light. Note: This light can only be turned on in dark environment. It will not turn on if the light sensor has detected enough light.