1. Size: 14mm (Diameter) * 142mm(Length)
2. Weight: about 28g
3. Material:  Brass (body part of the pen), Clip (chrome finished)
4. Characteristics: Fixed focus, Red spots, Lifespan >3000 hrs
5. Wavelength: 640 ~ 660 nm
6. Power: Typical <5mW (Customizable)
7. Diameter of Light Spot: <5mW - 8mm (Diameter) at 6mm
8. Charging Time: about 2 hours
9. Charging Interface: USB port
10. USB Interface: High Speed USB2.0
11. Working Voltage: 3.7V
12. Working Current: <50(mA)
13. Working Temperature: 0°C to 40°C
14. Storage Temperature:  -20~60℃
15. Operation System:  Windows XP / Windows Vista / Windows 7 / Windows 8 / Mac OSX10.0.2

INSTRUCTION - 5 Fuctions

• USB Function

1. USB port is available for all laptops.
2. The USB port is designed to be in the middle of the pen.
3. Memoty Capacity can be 1G, 2G, 4G, 8G, 16G, and 32G. Typical 8G

• Laser Function (Red)

1. Brightness is stable.
2. Best for business presentations, teaching, and guiding.

• Rechargeable

1. Eco-friendly and cost-saving.
2. USB can be charged whenever you insert it to computers.

• Stylus

1. Made of plastic with great flexibility and sense of touch.
2. Through special conduct and anti-friction process, the stylus can be accurate and do no harm to monitors.

• Writing

1. Fashion office supplies.
2. Can be refilled.