Model: WF-502BEmitter Type: CREE Q5LED Number: 1Body Material: Aluminum AlloyReflector Material: Aluminum AlloyReflector Type: OP CupColor BIN: RedOutput Luminous: Flux 200 lumensModes: 1Service Life: 10，0000 hoursVoltage: 3.6-9VBattery Configuration: 1 x 18650 battery (not included)Battery Working Time: about 4-6 hoursUnder low-light or no-light conditions using white light can impair your night vision for up to a full hour. Using a red light flashlight drops the affects of this down considerably normally taking only a few minutes to re-adjus