Specifications1. Laser Color: Purple-blue2. Laser Type: Visible Laser Diode3. Laser Wavelength: 405nm4. Reach Distance: < 100m5. Laser Output Power: < 5 mW6. Light Style: Beam light7. Power Supply: 2 x AAA Battery8. Switch: Button9. Output Wave: Continuous Wave10. Body Material: Metal11. Pen Size: 14cm x 15.5cm/0.55'' x 6.10''(Approx.)12. Body Color: Black13. 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 kidsPackage Includes:1 x Laser Pointer(without Battery)Everyday is Shopping Carnival