Wireless Presenter, TBBSC Presentation Remote,RF 2.4GHz Powerpoint Clicker Presentation Remote Control Pen (Black)

Specifications: Transmitter:Technology: Radio Frequency, Frequency: 2.4GHz Control Distance: 100m, Class 3R Max Output: Distance: >200m, Wavelength: 650nm Battery: AAA*1, Working Voltage: 1.5V Dimension: 139.2*18.2*19.7mm, Weight: 25g USB Receiver Operation System: Windows 2003, XP, Vista, Windows 7/8, Mac OS, Linux Dimension: 21.95*13.8*7.15mm, Weight: 2g Safety Warning: A pointer can be dangerous if not used properly A pointer should not be directed at people or animals The pointer is not a toy and should not to be used by anyone under 21 It is illegal to direct the beam at any flying objects, moving vehicles and any public or private structures Be warned that 2.4GHz pointers are not toys; they should never under any circumstances be directed into people's eyes or at passing aircraft.