This handheld has very large beam divergence due to it's multimode diode characteristics. The focused beam is a line rather than a point at long distances.
OD 3+ Laser Safety Goggles are requires to operate this product. (638nm range)
Requires 1x 14500 3.7v button top battery capable of 3A CONTINUOUS. (not included)
Keep lens CLEAN! DO NOT BURN OBJECTS CLOSELY! Lens may be damaged.
Recommended duty cycle: 1 minute ON, 5 minutes OFF.
No reverse polarity protection. (INSERTING BATTERY BACKWARDS WILL DAMAGE DRIVER)
Manual focus G2 lens.
Measures: 100mm x 21mm x 21mm
Weight: 97g without battery, 117g with battery.
Single mode driver.
Stainless steel body.
High beam divergence at short distances.
Lifetime warranty, see details.