Color custom10000 Brand SingFire Model SF-90 Quantity 1 Piece Material Aluminum alloy Emitter Brand Cree LED Type OthersMC-E Emitter BIN otehrsK Number of Emitters 1 Color BIN Cool White Working Voltage 8.4 V Power Supply 1 x 4-18650 Li-ion battery pack 8.4V (2 in series 2 in parallel) Current 3 A Theoretical Lumens 1000 lumens Actual Lumens 1000 lumens Runtime 3-4 Hour Number of Modes 4 Mode Arrangement HiMidLowFast Strobe Mode Memory No Switch Type Reverse clicky Lens Glass Reflector Aluminum Textured Flashlight Mounting Handlebar and Helmet Switch Location Tailcap Beam Range 200 m Bike Lamp Interface Size 5.5 x 2.5mm Battery Pack Interface Size 5.5 x 2.5mm Certification CE / RoHS Packing List 1 x Bike light (56-cm cable ) 1 x AC power charger (input: AC 100~240V 50~60Hz; Output: DC 8.4V 1000mA; 114cm-cable 2-flat-pin plug) 1 x 4-18650 Li-ion battery pack (44cm-cable) 1 x Head band 2 x Silicone rings 1 x English user manual