This blue-violet laser pointer pen throws a bright, clearly visible beam for presentations, lectures and stargazing. The strong metal alloy shell is light enough to live in a pocket or bag, and the optics are built on current optical and microelectronic technology.
Output power: 5mW
Wavelength: 405nm, blue-violet (purple)
Laser range: 10 to 100 metres
Material: copper and aluminium with a black anodized finish
Power supply: two AAA batteries (not included)
Operating voltage: DC 3V. Operating current: under 350mA
Start-up time: 0.001 seconds or less
Dimensions: 14 x 155 mm
In the box: one laser pointer
Safety: never look directly into the aperture and never aim the beam at anyone's eyes. Keep this product out of the reach of children. Please allow small size deviations from manual measurement, and slight colour differences between photos and the actual item.