Highly recommended for anyone making Colloidal Silver, so you can check the Tyndall effect of the suspended silver particles. This will allow you to determine the quality of your Colloidal solution, even if you have the desired Parts Per Million (PPM). This is a high-quality laser pointer with excellent beam output. Beam color is Red.
Rated: Class III Laser, >5mW at 650nm (+/-10).
Requires two (2) AAA batteries (not included).
IMPORTANT NOTE: Some countries have restrictions regarding lasers. You will need to check with your local customs office to make sure this laser pointer is legally able to be imported into your country.?