Guranteed light when the power fails 3 wind up and rechargeable led torches to provide light anytime anywhere dual beam settings economy and full power for up to 20 hours of shine time when fully charged constant safe trickle charge ensures optimum charge at all times automatic ultrabrite red led locator beacon lights up during power outage for easy location of torches rechargeable ni mh battery pack and 5mm ultra bright white led cluster that never requires replacement re useable for every