Brand SingFire Model SF-544 Quantity 1 Color Black Light body Material Aero aluminum alloys Emitter Brand CREE LED Type XM-L Emitter BIN T6 Color BIN Neutral White Number of Emitters 3 Working Voltage 8.4 V Battery Configuration 4 x 18650 Rechargeable li-ion battery Circuitry 3000mA Brightness 2500 lm Runtime 2 hours Number of Modes 4 Mode Arrangement Low /middle/ high /strobe Mode Memory No Switch Type Forward clicky Switch Location Tailcap Lens Glass Reflector Aluminum Smooth Flashlight Mounting Handlebar and helmet Beam Range above 300m Strap Included No Clip Included No Features Water resistant / Surface anode under oxidation treatment; 4-mode recycle low light 20% middle light 50% high light 100% strobe slowly Certification CE / RoHs Packing List 1 x Bicycle light (40cm-cable) 1 x Battery pack (30cm-cable) 1 x Charger (2-flat-pin plug / 110~240V / 110cm-cable) 1 x Headlights (flexible) 2 x Rubber rings 1x English user manual