Color Black Model SF-924 Quantity 1 Piece Material Aluminum alloy Emitter Brand Cree LED Type XM-L2 Emitter BIN U2 Color BIN White Number of Emitters 5 Theoretical Lumens 3000 lumens Actual Lumens 3000 lumens Power Supply 2 x 18650 Li-ion battery (included) Working Voltage 8.4 V Current 2.5 A Runtime 1-2 Hour Number of Modes OthersStepless dimming Mode Arrangement OthersDimming Mode Memory No Switch Type OthersMagnetism Sliding Switch Switch Location OthersHead Lens Material Glass Reflector Aluminum Smooth Working Depth Underwater 40~50 m Strap/Clip Strap included Other Features Diving and daily life lighting dual use; Waterproof rating: IPX8 Certification CE Packing List 1 x Diving flashlight with strap 1 x AC power charger (input: AC 100~240V 50~60Hz; Output: DC 4.2V 2 x 1000mA; 63cm-cable EU Plug) 2 x 18650 Li-ion batteries 1 x English user manual