Have you imagined to use 2 18650 batteries on a laser pointer? Gatling Stretch can do that. and this laser has 3 wavelength and various output.
1 x Gatling Stretch laser
Batteries are NOT included, because of the strict shipping policy. You need 2* 18650 batteries.
|Laser Type||Direct Diode|
|Wavelength||405nm violet||450nm blue||520nm green||650nm red|
|Beam Diameter At Aperture||4mm At Aperture||4mm At Aperture||4mm At Aperture||4mm At Aperture|
|<20mm at 10 meters||<20mm at 10 meters||<8mm at 10 meters||<8mm at 10 meters|
|Laser Body||Aircraft-Grade Aluminum|
|Laser Finish||Black Gold Blue|
|Modes||Single On/Off Continuous Mode|
|Power Supply||2*18650 Lithium-Ion Rechargeable Battery (Not provide)|