Brand: UltraFire Model: C20 Product Color: Black Material: Aluminum Alloy Emitter Brand: Cree LED Type: XM-L BIN: U3 Color: Cool White Number of Emitters: 1 Voltage Input: 3.2~6V Battery Configuration: 1 x 18650 2 x CR123A (not included) Circuitry: 2400mA Brightness: 800lm Runtime: 1.5 hours Number of Modes: 4 Mode Arrangement: Hi > Lo (5%~100% dimming long pressing 3 seconds under Hi / Lo mode) > Fast Strobe (Continuously fast click switch button twice when in Hi / Lo mode) > SOS (Continuously fast click under fast strobe mode) Mode Memory: No Switch Type: Forward clicky Switch Location: Tailcap (Power switch) / Head (Mode switch) Lens: Glass lens Reflector: Aluminum Smooth / SMO Strap Included: No Clip Included: Yes Beam Range: 100m Other Accessory: 1 x Flashlight 1 x Carrying case