This Rechargeable LED BULB is The latest Emergency bulb from GOJAC NIG,Highly Quality Energy saving Bulb,with the emergency Capacity to Last For 2 to3 Hours After Power OUTAGE,It has No heat emission,ideal for every home,and street lights for effective and emergency situation,it comes with a cap plug holder to Enable you Hang the BULB Outside,it has a good colour Rendering Index,with 3yrs life span warranty