3.6-4.2V 450NM 100mW Pure Blue Laser Dot Module for Beam Bar KTV Laser Light
Wavelength: 450nm. Output power: 100mW (can work continuously for 1 hour). Storage temperature: -40 ℃ ~ 80 ℃. we think communicate is a good way to solve any problem. 2400mA battery can be used for 2 hours.