The Laser Pointer Combo offers two lasers that can be used for various reason, like red for indoors and green for outdoor, as the green brighter.
The 5mW Green Laser Pointer USB is the most visible laser Colour that produces a light that is up to 40x times the equivalent red laser pointer making them the first choice for enthusiasts looking to experiment. The reason Green Lasers seem more powerful is because the human eye is especially sensitive to the green light they emit. This laser pointer has a built-in lithium ion battery that can be charged with the included USB cable.
The 5mW Red Laser Pointer USB not your 90's Red Laser Pointer. It's new and improved in more ways than one. This laser pointer has a built-in lithium ion battery that can be charged with the included USB cable. A red laser pointer is perfect for indoor use, presentations, aligning things and playing with pets.
Canada allows handheld laser pointers up to 5mW only. Handheld laser pointers above 5mW are not allowed to be sold, according to Health Canada.