Modle：SR-LASER-I
Performance characteristics:
1. USB interface, do not need to install other drivers.
2. Laser Pointer function.
3. Page up, Page down, enter function
4. widely used in computer teaching

Technical parameters:
1. 2.4GHz wireless remote control
2. Tx distance: 10 meters
3. Operation System: Windows 2000, WinXP, MCE2005, Windows Vista
4. 7# batteries, the battery life of more than half a year