Key Features :
650nm 5mW 6mm Laser Dot Diode Module Red Copper Head TubeFeatures:Working life: more than 2000 hoursSpot mode: dot facula, continuous outputLaser wavelength: 650nm (red)Copper head diameter: 6mmLight power: <5mWSupply voltage: 5V DCOperating current: <40mAOperating temperature: -36V ~ 65VPower lead length: 120mmShell material: brassSingle weight: 1g