Feature: Working time: over 1 hour Laser range: 1000-8000 meters Maximum brightness: over 350lm Body material: aviation metal Switch: Constant on/off button Focus mode: adjustable Life expectancy: over 8000 hours Surface treatment: hard anodized black Wavelength: 532nm Output power: Class III B Safety level: Class III B Circuit control: APC Beam form: round Beam style: continuous line Spot size: 6M distance Working voltage: DC 3.0-3.7V Warm-up time: standard Working temperature: 15°C to 35°C Storage temperature: -10°C to 40°C Body color: black Laser color: green Power supply: 1 x 18650 battery (not included) Size: 160mm x 22mm x 22mm Net weight: 112g Package includes: 1 x laser device