Check the listing for details. Focusable 520nm Waterproof Laser Pointer Green Dot Flashlight LED Torch. Condition: New. Listed at 57.08 USD. Focusable 520nm Waterproof Laser Pointer Green Dot Flashlight LED Torch ParametersModel: 520T-50-F-W-18650Laser Shape: DotWavelength: 520nmWorking Voltage:DC 3.7VStart voltage:2.5VSpot Size:about 5M at 15-18mmFocusable:YesWaterproof:YesBeam pattern:Continuous line ShapeDimensions:φ32 * 135mmDimensions:φ32 * 135mmWaterproof: It can prevent rain, domestic water, etc., but can't work in water.Electric Control:ACCHousing Material:Aviation aluminumOperating temperature:-10 ℃~ +60 ℃Battery:1x 18650 Lithium battery required（not included FeaturesThe design adopts simple and fashionable style. The appearance and feel are quite good. The module is made of imported laser tube. The concentricity is high precision, the structure is close, the pressure assembling process is adopted. Design, and designed for waterproof structure, and can focus, tail switch for the long light switch.Our laser pointer is very powerful, so don't see it for long time with bare eyes.Please storage the laser in dry environment and keep it away from children.Please avoid direct eye exposure to the laser when use it as a pure laser pointer. Package1pc Focusable 520nm Waterproof Laser Pointer Green Dot Flashlight LED Torch（Battery not included for easy custom clearance)