Specifications: 1. Body Color: Black 2. Power supply:2 x AAA Batteries (not included) 3. Expected Life: base on the batteries you purchase 4. This high-quality laser pointer incorporates the latest technology in green laser optics and Microelectronics 5. Use your laser pointer to point at any desired targets, project screens, or video monitors, presentations, museum and tour guides, point at the stars, and inspection. 6. Press the button switch to turn the laser ON. 7. Release the switch to the turn it OFF. 8. Wavelength: 650nm（Red），532nm(Green)，405nm(Purple Blue) 9. Beam style: continuous line. 10. Spot size: 6M place <φ10mm. 11. Working voltage: DC=3.0-3.7V. 12. Preheat time: < 3 seconds. 13. Working temperature: +15 degrees Celsius~+35 degrees Celsius 14. Storage temperature: -15 degree.
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