Specifications 1. Laser Color: Purple-blue 2. Laser Type: Visible Laser Diode 3. Laser Wavelength: 405nm 4. Reach Distance: < 100m 5. Laser Output Power: < 5 mW 6. Light Style: Beam light 7. Power Supply: 2 x AAA Battery 8. Switch: Button 9. Output Wave: Continuous Wave 10. Body Material: Metal 11. Pen Size: 14cm x 15.5cm/0.55'' x 6.10''(Approx.) 12. Body Color: Black 13. Occasion: Teaching, Office Using, etc. Note: 1) The effect will be a little weaker than red and green color but more stable than red/green color. 2) No touch from kids Package Includes: 1 x Laser Pointer(without Battery) Everyday is Shopping Carnival