ParameterWavelength532nmOutput Power50mWLaser Shape Line 110 Line thickness2mm at 1mDivergencyFocusable 0.1-2mrad None LensDuty Cycle Coated K9 Glass lens30 minutes on, 5 minutes off Dimensions18mmx75mmDetail: This laser locator/module has is widely used in clothes cutting, wood cutting, mechanical positioning. A clamp/holder and a 3.3V 1.5A AC/DC adapter are added for the user's convenience. If you want to prolong the duty cycle, please add additional heatsink, otherwise the laser diode 's life will be shorten greatly, and the output of the laser will reduce very soon.