Color Black + Silver + Multi-Colored Brand MARSING Model B30 Quantity 1 Set Material Aluminum alloy Emitter Brand Cree LED Type XM-L Emitter BIN T6 Number of Emitters 3 Color BIN Cool White Working Voltage 8.4 V Power Supply 4 x 18650 (4400mAh included) Current 4400 mA Theoretical Lumens 3600 lumens Actual Lumens 1800~2400 lumens Runtime 120~360 minutes Number of Modes 4 Mode Arrangement HiMidLowFast Strobe Mode Memory No Switch Type Forward clicky Lens Glass Reflector Aluminum Smooth Flashlight Mounting Handlebar and Helmet Switch Location Tailcap Beam Range 250-350 m Bike Lamp Interface Size 3.5mm Battery Pack Interface Size 3.5mm Other Features Input Voltage: 8.4V DC; Rated power: 30W; Battery model: 18650 Lithium battery; Battery capacity: 4400mAh; Adapter input: 100-240V AC; Adapter output: 8.4V DC 1A; Packing List x Bike light (4 x 18650) 1 x Adjustable headband (23cm) 2 x Rubber ringS 1 x 8.4v 4400mAh Battery Pack 1 x Charger (100V-240V 95cm-cable)