Product Description:1.Brand New2.Work Voltage:3.7-4.5V3.Quantity:1 PCS4.LED Emitter:CREE R2 LED5.Mode: Single Model 6.Lamp Life:100，000 Hours7.Color:black8.Emitted RED Light 10.Case material:Durable aircraft-grade aluminum12.Battery for 1x18650/3xAAA(not include)