<p>Transmitter Features:</p> <p>Technology: Radio Frequency</p> <p>Frequency: 2.4GHz</p> <p>Light Color: Red</p> <p>Wireless Cursor Control Distance: 50FT</p> <p>Material:Plastic</p> <p>Colour: Black</p> <p>PPT Remote Control Distance: 100-165FT</p> <p>Light Control Distance: 330ft</p> <p>Max Output: Less than 5mW</p> <p>Working Voltage: 1.5V</p> <p>Sleep Current less than10uA</p> <p>Dimension: 5.3x1.6x0.9 inch</p> <p>Receiver Features:</p> <p>Operation System: XP, Windows 7\/8, OS, Linux, Android</p> <p>USB Version: USB 1.1, compatible with USB2.0, USB 3.0</p> <p>Working Voltage: 5V DC</p> <p>About this item</p> <p>Air Mouse Presentation Clicker Clicker for powerpoint presentations combines the function of air mouse, with wireless cursor control button and left\/ right mouse button, which makes it like a true mouse. With it in your hand, you can be totally free from the constraint of keyboard and make your presentation more efficient</p> <p>Package Contents:</p> <p>1 x Wireless Presenter</p> <p>If the appearance of the buttons is different, it has no effect on the product</p> <p>Only the above package content, other products are not included.</p> <p>Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +\/- 1-3cm.</p>