Multiple Modes: Come with an on-off switch, eliminating the need to plug and unplug.In automatic modes, turn on when approaching within 10 feet of closet light, turn off after about 25-30 seconds if without any movement. Modes, constant lighting on, so you can be used as a flashlight. USB Rechargeable: USB Rechargeable: These wireless lights have a built-in 400mAH Li-polymer battery. No more wasting money on batteries 2 hours for full charge, it will last about 3 months for normal use. It comes with USB cable compatible with power bank, phone charger, PC USB port, etc. Easy to Install: Built-in strong magnets to place in the mental surface, and also adhesive flake available for the non-mental surface. It can be installed in seconds and is also removable as an emergency light, of course you can also use a hook to secure them. Widely Used: Smart LED puck lights greatly help in the kitchen weakly, it adds a nice little updating feeling to your kitchen; can also be used for display of cabinet, closet, hallway, staircase, attic, basement, nursery, etc. Soft and bright: Maximum luminous flux 451.5 PCS about 3000K warm white LEDs, bright enough and not too glare in the dark.High quality long lasting LEDs, no need to replace LEDs. Product description Features: Nominal voltage: 5 V Nominal power: 1.5 W (5 x 0.3 W / LED module) Battery capacity: 400mAh Working current: 120mA Detection distance: 0M-5M Light control circuit: ambient illumination