Parallel Laser Three-way Semiconductor Light Source Laser Optical Physics Equipment

Attention: This item does not include magnets at the back as the picture shown. Picture will be changed when we get new one. Please make sure you know before you bid. Thank you very much. Description: Three-way Semiconductor Parallel Laser is used for Physics Optical Teaching or lab experiment. Specification: Material:ABS Size: About 10x6x2.2cm Weight:100g Laser wavelength: 650nm Battery type: AAA battery x 2 Features: 1. You can add magnets to the back of the Parallel Laser, so that it can be attached to the blackboard or teaching whiteboard, very convenient for teaching demonstration.(Product will not come with magnets) 2. Laser Heads are movable, can adjust the angle by yourself. 3. 3 switches, can choose 3 way laser at the same time. Package Include: 1 x Parallel Laser