Wireless Presenter 04

Frequency 2400MHz - 2483MHz Input Power One CR2032 Lithium battery Dimension (L*W*H) 75 x 34 x 5 mm Express card 34 from factor Weight 18g Channel Number 16 ID Number Per Channel 35535 Interface USB 1.1 Wireless Range Works up to 66 ft (20 m) away from the USB receiver System Requirement Windows 2000, XP , Vista Software or Drivers No software or drivers required Laser Semiconfuctor laser ( = 650 mm) Class2 Laser Output Power Max. 0.95 mW certifications CE. FCC. NCC