Wave Length： 450nm. Battery Direction： The Battery “+” Is Toward End of The Laser Pointer. 1 Blue Laser Pointer. Flare Forms： Plaque-Forming – Circle. The laser IS bright! Focus Mode： Adjustable Focus.
Wave Length： 450nm. Battery Direction： The Battery “+” Is Toward End of The Laser Pointer. 1 Blue Laser Pointer. Flare Forms： Plaque-Forming – Circle. The laser IS bright! Focus Mode： Adjustable Focus.