... teachers, students, engineers, doctors, managers etc. High Power Red Laser Pointer From 300mW ~ 1000mWSpecifications as below: Model No.: ... Battery: 1*18650 (Rechargeable Battery)Output Wavelength: 650nmLaser Color: Red / Blue / Green LaserLaser Type: Visible Laser Diode. Laser ... at any desired targets, project screens, lectures, or video monitors, presentations, museum and tour guides, point to ...