The LR35R is an extremely powerful flashlight that is capable of blasting an incredible 10000 lumens of light from a flashlight that is only 5.5 long. Powered by two 21700 rechargeable li-ion batteries, the LR35R is USB Type-C rechargeable and includes a battery level indicator to keep track of your batteries status. Intelligent step-down overheat protection helps keep the light from overheating while using the maximum outputs. The LR35R 10000 lumen flashlight is IP68 dustproof and waterproof. Perfect for outdoorsmen, or for anybody who wants to dramatically light up the night, the LR35R defines what is possible from a mid-sized flashlight!