Wireless Presenter 01

Frequency 2400MHz - 2483MHz Input Power Two Alkaline AAA batteries Dimension(L*W*H) 105 x 40 x 20 mm (41.3 x 15.7 x 7.9 inch) Weight 63g (2.22 ounces) Channel Number 16 ID Number Per Channel 35535 Interface USB 1.1 Wireless Range Works up to 100 ft (30 m) away from the USB receiver System Requirement Windows 2000, XP, Vista Software or Drivers Software (for Zoom function) Laser Semiconfuctor laser ( = 650 mm) Class2 Laser Output Power Max. 0.95 mW certifications CE. FCC. FDA. TELEC