The Fenix RC10 Rechargeable flashlight gives you 380 Lumens and the ability to never worry about buying batteries. This high intensity flashlight uses a built in lithium battery and gives you 4 brightness levels and an instant strobe. Charge can be done with the included AC charger or carcharger. With waterproofing to IPX-8 Standard, Fenix RC10 will be a great partner for travel, self-driving trip and camping, etc. Sure to be a favorite who relies on a high quality, dependable flashlight. Features and Specifications: Cree XP-G (R5) LED with a lifespan of 50,000 hours Built-in 2200 mAh/3.6V rechargeable Li-ion battery Output mode / Runtime: Turbo 380 lumens 1h 55min High 140 lumens 6h 10min Mid 40 lumens 26h 30min Low 5 lumens 142h Strobe 380 lumens Dimensions and Weight: Length 5.94" 151mm Diameter 1.00" 25.4mm Head Diameter 1.34" 34mm Weight 7.1oz 200gm (excluding battery) Digitally regulated output maintains constant brightness Reverse polarity protection guards against improper battery installation Push-button tail cap switch with momentary-on function Side mode switch in the back, fast and convenient Made of durable aircraft-grade aluminum Premium Type III hard-anodized anti-abrasive finish Toughened ultra-clear glass lens with anti-reflective coating