Usage Tips:1. Wireless and Battery Run Battery operated wall sconce with remote control for dimming brightness (10%100) and color temperature (2700K 6500K). 2. USB Charge Wall Sconce Wall sconce bulb uses an Android USB charging cable to charge (including charging cable). The 5000mAh battery provides a lighting time of up to 50 hours (No wiring install). 3. Easy Wireless Install – No wiring or electricians are required. Each indoor wireless battery operated wall light can be attached in minutes to most surfaces using mounting brackets and screws (included). Powered by a lithium battery (bulb builtin battery). 4. Attractive Design – The stylish plastic finish of these battery wall lights suits many decor styles and is ideal for apartments, dorms, bedrooms, bathrooms, hallways, vanity areas and areas without power supply.