... Light,Emergency lamp,Rechargeable Light LED: 13 PcsBattery: 4V,1000mAhDouble Swich Use is very broad: Except being regarded as average flashlight usage. When power failure ... linkup line is many.When the emergency light plugged into an AC power: the case of power failure, emergency light on; re-power, emergency light off. Package Details:Qty/Ctn ...