Keep on a key chain and have a laser pointer always on hand for occasional use. Battery life of about 1 hour continuous use (batteries included). A unique transparent plastic safety tip alerts the user that the beam is on. The strong metal case comes in a choice of attractive colors.
Laser Pointer Keychain
|Dimensions:||3" x ½"|
|Output Power:||3.5 mw|
|Wavelength:||650 to 680 nm (red)|