USB RECHARGEABLE, MICRO USB CABLE INCLUDED: These OxyLED indoor step lights are powered by built-in rechargeable 3.7V 450mAh battery. Micro USB cable is included, so that you can simply recharge it with any national standard USB charger, mobile phone charger or your computer USB port | AUTOMATIC SENSOR, OFF/AUTO 2 LIGHT MODES: This motion sensor closet Light is auto-on within 10 ft, auto-off after 15-20 seconds of no motion detected. It will turn on when motion is detected in the daytime ( Ambience is dark enough) or dark night. Also, you can choose to turn the light directly off. (There isn't an "on" switch, it's motion detected and light sensor.) Note: Do not put 2 lights too close. The one light may cause the other not light up if they are too close | EASY TO INSTALL: The adhesive strip with magnetic fields is easily attached to and detachable from the lamp body. No tools, screws or nuts are required. Mount the light on any clean and smooth area, and you're good to go | LONG PERFORMANCE: The 450mAh battery brightens your dark corners for 4 continuous hours on a single full charge. Standard recharging period is 3 months when it detects motion 5 - 8 times/day | 3-PACK, ULTRA BRIGHT, PURE WHITE: Equipped with 10 SMD2835 LEDs, this lamp is bright enough to illuminate any dark corner in your passageway, bedroom, basement, attic, garage green house and more, and ensures no fumbles and stumbles in the darkness