Features:
It contains two parts?∨ a transmitter and a USB receiver.
Easy carry?∨ the transmitter and receiver integrated into one unit for easy carry.
Combines the functions of a laser pointer?∨ page up and page down for PowerPoint presentation.
Easily control the pace of your presentation?∨ advanced radio frequency technology that works through walls and the controlling distance is up to 10 meters away?∨ so you never have to stand beside your computer.
Easy to use: it is USB plug and play?∨ no driver required?∨ just plug the receiver into the USB port on a PC and it works within seconds.
Lightweight and handy design?∨ it is very convenient to put in bags or pockets.
Perfect for teachers?∨ students?∨ engineers?∨ doctors?∨ managers and more.

Specifications:
Transmitter:
Radio frequency: 2.4GHz
Control distance: Approx. 10m
Laser distance: > 200m
Max. output: < 1mw
Wavelength: 650nm
Color: Black
Battery power: 1 * AAA battery (Not included)
Dimension: 13.2 * 1.9 * 2.1cm / 5.2 * 0.7 * 0.8in (L * Max. W * T)
Net weight: 18g / 0.6oz

Recevier:
Interface: USB 2.0
Supported OS: Win 98/SE/ME/2000/XP/Vista?∨ Mac OS?∨ Linux
Power: 4.5-5.5V
Color: Black
Dimension: 5.6 * 1.7 * 0.8cm / 2.2 * 0.7 * 0.3in
Net weight: 6g / 0.21oz
Package dimension: 15.5 * 8.5 * 2.5cm / 6.1 * 3.3 * 1.0in
Package weight: 84g / 3.0oz

Package Including:
1 * Wireless Laser Pointer Pen
1 * USB Receiver
1 * User manual"