The KitLaser A3000 is a top 450nm blue laser fitted with a intelligent laser diode and also has the ability to adjust focus to meet all your needs. Functioning on two easy to find 18650 li-ion batteries, the beam can reach 10 miles outside. It can be easily operated by one switch control at the tail. The A3000 laser pointer has a unique cooling system which is made of pure copper, based on that, it achieves unlimited duty cycle until running out of power.
Features
Uses Cree XP-230 laser diode with a lifespan of 10,000 hours
1000mW,3000mW,4000mW output power, ultra powerful to burn or send SOS
Reverse polarity protection to protect from improper battery insertion
Made of durable copper, premium type III hard-anodized anti-abrasive finish
Overheat protection to avoid high temperature of the surface
Stefan Hassgall –
I suggest ordering one size smaller than you usually wear; they’re quite large.