Max Output power: 5mW.Wave length:Green Laser: 532nmBlue Laser: 405nm.Red Laser: 650nmRange in darkness: more than 1000 meters.Power supply: AAA Batteries x 2. (Not included)Output mode: Constant Wave.Laser colour: Blue\ Green\ Red Press 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 cool WARNING: Never point at people and always avoid direct eye contact. Please keep out of reach of children Package included:1x Green laser pointer+ Blue laser pointer+ Red laser pointer (no battey)