2.4GHz Wireless Presenter with Red Laser Pointers Pen USB RF Remote Control

Features: Simple and easy to use. Plug and play. Nice touch feeling, comfort to hold by hand. System: Windows 2000/XP/Vista. Specification: Type Wireless Presenter Material Plastic Quantity 1 pcs Color Black Transmitting Frequency 2.4GHz laser Wavelength 650mm Laser Power 300m Working Voltage 1.5V Battery 1*AA battery (NOT included) System Supported Windows 2000/XP/Vista Size 10.5*4*2.5cm / 4.1*1.6*1 " Net Weight 0.03kg / 1.1oz Package: 1*Wireless presenter 1*USB wireless