The photo became occupied with the impact of smoke in the airMain uses: bar supplies, wine reveal racks, laser wine stands, stage laser effects, room escapes, etc: φ 24 Laser working life: greater than 8000 hours Laser operating mode: spot mild spot, coarse beam Laser wavelength: 450nm Laser power (constant power): ≤80mW| Working voltage: DC 3V-5V energy shipping Working current: lower than 200mA Working temperature: -10°C~65°C Storage temperature: -36°C ~ 65°C Spot mode (spot size): 1 8mm Note:All Coarse Beam lasers normally utilized in fog or smoke area, in those areas, the beam can be seen. everytime you use it in open and shiny area, you man can not discover the laser beam. Package:1pc 450nm 80mw 3V-5V Laser Diode Module for Escape Room Bar Lights Stage Laser Effects