Life Gear Failsafe Safety Light Is A Reliable Rechargeable Emergency Light And Night Light. Usb-Rechargeable, It Features A Swivel Usb Plug-In For Direct Wall-Socket Charging. If Your Power Fails, This Safety Light Automatically Turns On. Optional Beam Feature Lets This Emergency Light Act As Both An Area Light And A Flash Light. Compact, Light-Weight Design Is Suitable For Plug-In Use Without Blocking Adjacent Outlets. With Four Modes, You Can Easily Switch Between Settings Using The Power Switch To Adjust The Brightness: Beam Light High, Beam Light Low, Area Light High And Area Light Low. Light Includes Built-In 300 Mah Lithium-Ion Rechargeable Battery.