Description Long Battery Life& Rechargeable& Cordless use: Wall lights built-in large capacity rechargeable battery and one USB cable included. After fully charged, the rechargeable wall light can work last for up to 20 hours in the lowest mode, max brightness is up to 5 hours. You don't need to be plugged in all the time to use it wirelessly. Solved the trouble of no power outlet next to it, especially since there are limited outlets and a power outage happens. Safety and portable. .
