3.6-4.2V Fat Beam 532nm 50mW Green Diode Laser Dot Module for Bar KTV Laser
Output power: 50mW. wavelength: 532nm. (note: Turn off the heat when the module to be cooled before use, it is a good product life). (note: eg: four light 4 320MA 1280MA power consumption per hour 2400MA battery can be 1.8 hours).