Color Grey + Purple Brand TrustFire Model TR-D015 Quantity 1 Piece Material Aviation aluminum alloy Emitter Brand Cree LED Type XM-L2 Emitter BIN T6 Number of Emitters 1 Color BIN Cool White Working Voltage 4.2 V Power Supply Powered by 2 x 18650 battery pack voltage: 4.2V Current 1500 mA Theoretical Lumens 580 lumens Actual Lumens 580 lumens Runtime 2-3 Hour Number of Modes 3 Mode Arrangement HiLowFast Strobe Mode Memory No Switch Type Reverse clicky Lens Glass Reflector Aluminum Smooth Flashlight Mounting Handlebar Switch Location Tailcap Beam Range 150 m Bike Lamp Interface Size 5.5 x 2.1cm Battery Pack Interface Size 5.5 x 2.1cm Packing List 1 x Bicycle light (cable-90cm) 1 x Battery pack (4.2V / 20cm) 1 x AC power charger adapter (US plug / Input: AC 100~240V 50/60Hz 150mA / Output: 4.2V 1A /cable-90cm) 1 x Rubber ring 1 x Chinese / English user manual