4 Functions: Momentary, Full Power, Power Save and Strobe MagLite MAGTAC Rechargeable Aluminum Body Crowned Bezel Handheld Tactical LED Flashlight Black, powered by a high capacity Lithium Iron Phosphate (LiFePO4) rechargeable battery engineered for long service life with a 2.5 hr. charge time. Part Number TRM1RA4 Item Weight 1 pounds Product Dimensions 5.2 x 1 x 1 inches Item model number TRM1RA4 Batteries: 2 Lithium ion batteries required. (included) Color Black Material Aluminum Power Source Battery-Powered Item Package Quantity 1 Type of Bulb LED Luminous Flux 543 Special Features 4 Functions: Momentary, Full Power, Power Save and Strobe Batteries Included? Yes Batteries Required? Yes