Based on the Convoy M21A host, this handheld can remain on for an indefinite amount of time.

• OD 4+ Laser Safety Goggles are requires to operate this product. (450nm range)

• Requires 1x 21700 3.7v battery capable of 3A CONTINUOUS. (not included) 

• Keep lens CLEAN! DO NOT BURN OBJECTS CLOSELY!

• This handheld can be kept on continuously.

• No reverse polarity protection. (INSERTING BATTERY BACKWARDS WILL DAMAGE DRIVER)

• Manual focus lens.

• Single mode driver.

• Aluminium body.

• Lifetime warranty, see details.