Wave length：532nm. Model No:GS1-B(Green Laser Pointer). 1 Green Laser Pointer. Try not to remove the front focusing head to prevent dust from adhering to the chip,When the laser is turned on the laser will burn out.
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! Just like the laser pointers you use to play with your pets, you should ALWAYS avoid direct eye exposure to laser beam.