Brand: RUSTU Model: R01-Q5 Material: T6063 T6 Aluminum Emitter Brand: Cree LED Type: XR-E BIN: Q5 Color: Cool white Number of Emitters: 1 Voltage Input: 3.7V Battery Configuration: 1 x 18650 (not included) Circuitry: 780mA Brightness: 300lm (manufacturer rated actual 200lm) Runtime: 3 hours (Mid mode) Number of Modes: 5 Mode Arrangement: Hi > Mid > Lo > Fast strobe > SOS Mode Memory: No Switch Type: Reverse clicky Switch Location: Tailcap Lens: Tempered optical glass lens Reflector: Aluminium Textured / OP Strap Included: Yes Clip Included: No Beam Range: 100 meters Other Features: HA-III surface; IPX8 waterproof; Head diameter: 15mm; Body diameter: 10mm; Tail diameter: 10mm; Overall length: 47mm; Strap length: 15cm. Certification: CE