Brand NITEFIRE Model HERO2 Quantity 1 Color Black Material Aluminum alloy Emitter Brand Cree LED Type XM-L Emitter BIN U2 Color BIN Cool White Number of Emitters 3 Working Voltage 3.3~4.2 V Battery Configuration 4 x 18650 batteries pack (included) Circuitry 6A Brightness 2100 lm Runtime 1~2 hours Number of Modes 4 Mode Arrangement Low> Mid >High >strobe(Long-press the switch) Mode Memory No Switch Type Reverse clicky Switch Location Tailcap Lens Glass Reflector Aluminum Smooth Flashlight Mounting Handlebar Beam Range 200 meters Strap Included No Clip Included No Features Hard anodized battery pack two parallel connection and two series connection battery pack capacity: 4400mA. Lamp beads in parallel; Aluminum structure with wear-resistant anodized finish deep heat sink fins; Custom-design metal reflector; Power indicator system: A: Power 80% three indicating LED are lit on; B: 50%-Power-80% two indicating LED are lit on; C: Runtime 30 min just one LED will be lit on and will flash three times one second; 4. Temperature protection when the lamp body reaches 70 degrees automatically reduce brightness intelligent protection core; 5. Waterproof interface design of the submarine cable plug threaded locking no longer have to worry about suddenly dropped Packing List 1 x Bike light (45cm-cable) 2 x Rubber mount rings 1 x Battery pack (42cm-cable) 1 x AC power charger adapter (AC 100~240V / 2-flat-pin plug / 140cm-cable) 1 x English user manual