Red Green Purple Laser Pointer Pen 5MW Laser Presenter
Max Output power: 5mW. Wave length: Green Laser: 532nm Blue Laser: 405nm. Red Laser: 650nm Range 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 graphics. Also 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.