4-in-1 laser pens (HB-013)
& Red laser beam emission
& With ball pen
& With telescopic ferule
& With LED light (optional)
& Laser up to 200m
& Wavelength 650nm+/-10
& Output 1mW-5mW
& 3pcs AG3 button cell included
& For presentations, engineers, inspectors, designers, ... - Update: 2012-06-12