Tyndall Laser Pointer - Red
Highly recommended for anyone making their own Colloidal Silver solution. Allows you to check the Tyndall effect of the suspended silver particles, to determine the quality of your Colloidal. This is a high-quality laser pointer with excellent beam output. Rated: Class III Laser, >5mW at 650nm (+/-10). Requires two (2) AAA batteries (not included).