Description:100% Brand New and High Quality!Max Output power: 5mW.Wavelength:Green Laser: 532 nmBlue Laser: 405 nm.Red Laser: 650 nmRange in darkness: more than 1000 meters.Power supply: 2x AAA Batteries. (Not included)Output mode: Constant Wave.Laser colour: Blue\Green\RedPress the push button to turn it on， release the push button to shut if off automatically.It will be used to point at any desired targets on projection screens， video monitors， and presentation graphicsAlso can be used for forensics， illumination， indicating， alignment， sky pointing (astronomy) or just being coolWARNING: Never point at people and always avoid direct eye contact. Please keep out of reach of children.Package includes:1x Green laser pointer1x Blue laser pointer1x Red laser pointer(Battery not Included)