Features:
This is a great tool for PowerPoint presentations, with it, you don’t need to stand beside your computer or have an additional person click the slide for you.
It contains two parts: transmitter and USB receiver
Multifunctional presenter
Easy to use
It is USB plug-and-play. No driver required.

Battery change
 
Use 1.5v AAA battery 1 EA. (Not Included!)
1. Slide clip upward to open the battery cover
2. Replace the battery.Pay attention to the polarity.
3. Slide the cover back into the position until it clicks.
4. Check if the laser pointer functions properly.

Specifications:
Remote Controller:

Range of Operation: 100ft 3MW
Buttons: 4 (1 for laser beam, 3 for PowerPoint control)
Product Size: Approx.12.0x2.0x1.50cm
Battery: 1 x AAA battery (Not Included!)
Laser: Class II
Color: Gold

Receiver: PP-900RX (NO memory)
                   PP-900X2G (Built in 2GB high speed memory)
OS: Windows 2000, windows XP Win 7
Systems: IBM IP/AT & Laptop PC
Interface: USB Spec 1.0, HID Spec2.0
Power:5V USB Power
Product Size: Approx. 6.6cm x 2.1cm x 0.9cm

Package Included:
1X RF Transmitter
1X USB receiver
1X Carrying Case
1X User Manual
Note: AAA battery not included in the package!