AMIR usb rechargeable motion sensor led night light, built-in usb rechargeable lithium battery, once own it, no more waste your money on aaa batteries just charge it with usb for 1.5h, it will light up your bedroom, kitchen, stairs, corridor for more than 30 days. No more worry that you will stumble in the dark. This motion sensor lights are using both infrared (pir) technology to detect body heat and the human motion sensor (within 10 feet). You can choose on/off/auto modes for your option.
On/off/auto 3 modes:
On: Constantly light up, which could be used as a flashlight or emergency light. It can last 5 hours on this mode after full charge.
Off: Turn off the light
Auto: Auto-sensing state, light up automatically in the dark when motion is detected. It can last more than 30 days on this mode.
Please charge the lights for 1-2 hours before first use. The red light will off when they are fully charged.