Features The multi functional 2 4GHz wireless laser presenter is a great tool for presentations You can simply press the laser button and a red point will appear to emphasize the contents you need to highlight on the screen It can provide people a unique and capable tool to operate their PC smart TV android TV Box media player set top box simply by moving it directly in the air Plug and play simple and smoothPlug and play no driver needed Long press Enter to activate the Air Mouse function moving it directly in the air to control the devicesMultifunctional laser Pen Supports page up and down getting into hyperlink full black screen and red laser etc Press the Pointer key to emit the beam and highlight the focus Widely Used Compatible with Android Windows Linux and for Mac OS Suitable for Notebook Smart TV Android TV Box All in one PC Projector and moreWorking area range of the laser is up to 100 meters in open environment so you can freely move around the room and interact with your audienceIt can be widely used at home in school research institute training center exhibition business meeting government agencies and many moreWireless Frequency RF Technology 2 4GhzDistance 10 15 metersLight Source Red light point spot wavelength 650nmLaser Class Class 2RLaser Power Less than5mWBattery 2 x AAA batteries not included Operation System for Windows XP Vista 7 for MAC OS for Android for LinuxColor BlackMain Item Size 13 7 x 3 9 x 2