Product Details 1. 300-metre wireless control distance allows free movement in large conference halls while controlling presentations 2. Green laser, 10 times brighter than red, ensures clear visibility on all screens even in bright rooms 3. Built-in LCD screen shows time with timer and silent vibration reminder to manage presentation duration 4. Mini USB receiver supports plug-and-play functionality, no driver installation required 5. Supports page up, page down, full screen, black screen and hyperlink functions with 1000 mAh lithium battery for long operation Specification 1. Colour: Black 2. Material: Plastic 3. Compatible with Windows 2003, XP, Windows Vista, Windows 7, Windows 8, Windows 10, Mac OS, Linux, Android operating systems 4. Compatible with most presentation software Package Contents 1. 1 x Wireless Powerpoint 2. 1 x Receiver Warm Tips 1. 433MHz transmitter is not a toy; do not point at human eyes or airplanes 2. For adult use only 3. Do not aim the beam at flying objects, moving vehicles or buildings 4. Avoid directing the laser at people or animals 5. Improper use may cause danger