Black Laser Pointer Pen Screen Pointer for Teaching PPT Presentation
Adopted of premium metal material, this item is a laser pointer of high quality for practical and long-term use. It is easy to use with a button to press. It looks like a pen and is perfect to use in both indoor and outdoor activities like teaching and traveling.
- Shell color: Black.
- Light color: Green.
- Material: Metal.
- Size: Approx. 16 * 1.4 * 1.4cm/ 6.3 * 0.55 * 0.55 inch (L*W*H).
- Powered by two AAA batteries.
- Output wavelength: 650 nm.
- Voltage: DC 3V.
- Not need to preheat.
- Working temperature: 20 to 30 degrees Celsius.
- Storing temperature: 10 to 40 degrees Celsius.
- Perfect for teaching, working PPT presentations; great for mountaineers and explorers to point to the distance or sent an SOS message; good for guides to introduce scenic spots, etc.
- Warm tips: It is normal phenomenon that the laser light has a weak dispersion.