Brand: FandyFire Model: 3900 Color: Grey + Silver Emitter Brand/Type: XM-L T6 Color BIN: White Total Emitters: 3 Battery Configurations: 2 x 18650 batteries (not included) Voltage Input: 3.5~8.4V Switch Type: Clicky/Clickie Switch Location: Tail-cap Modes: 5 Mode Memory: Yes Mode Arrangement: Hi > Mid > Low > Fast Strobe > SOS Circuitry: Digital Regulated 2.8A Current Output Brightness: 2200LM Runtime: 60 minutes at High mode (manufacturer rated) Beam Range: 500m Water Resistant: Yes (not for diving) Lens: Coated Glass Lens Reflector: Aluminum Smooth/SMO Carrying Strap: Strap Included