USE: 1.Press the push button to turn it on,release the push button to shut if off automatically.
2.It will be used to point at any desired targets on projection screens, video monitors, and presentation graphics. 3.Also can be used for forensics, illumination, indicating, alignment, sky pointing (astronomy) or just being cool.
The blue laser is not blue 100%,it is blue violet color! Output mode:Constant Wave Power supply:AAA Batteries x2 (Not Included AAA Batteries) Dimension:φ14×160mm Technical Parameter:Fixed focus, dot facula, continuous output Green laser Output Wavelength: 532nm Red laser Output Wave length: 650nm Purple laser Output Wave length: 405nm Output Power:5mw Working Voltage:DC=3.0V Trigger Voltage:DC=2.8V