Brand RUSTU Model RS-7 Quantity 1 Color Black + silver Material Casting aluminum Emitter Brand CREE Number of Emitters 1 Color BIN Cool White Emitter Type XM-L Emitter BIN T6 Working Voltage 3.7~4.2 V Battery Configuration 1 x 18650 (not included) Circuitry 700mA Brightness 410 lm Runtime 3.5~4 hour Number of Modes 4 Mode Arrangement Lo > Mid > Hi > Fast strobe Mode Memory No Switch Type Twisty Switch Location Head twisty Lens Optical glass lens Reflector Aluminum Smooth / SMO Strap Included Yes Clip Included No Working Depth Underwater 180 meter Features Waterproof: IPX8; Hard anodized: HA-III; Head diameter: 4cm; Body diameter: 2.5cm; Tail diameter: 2.5cm; Overall length: 16cm. Certification CE Packing List 1 x Flashlight (26cm-length strap)