[2.4GHz Wireless Technology]: The laser pointer uses 2.4GHz wireless technology and safe and environmentally friendly ABS material. The range of the remote control is up to 20m. You can control your wireless presentation remote control 360 freely in space, in dark environment, the red light of the demonstrator can also be very bright. [Note: Two AAA batteries are not included] [Excellent Details]: The laser pointer is small and exquisite, with five soft and comfortable touch designs, you can easily operate the demonstrator without tilting your head. Built-in USB receiver, easy to pack and carry. Support Windows XP or 2000 or 98, Windows 7, Mac OS, Linux, Vista. [Scientific Design]: Streamlined PPT clicker body design, shape fits your hand and feel of skin with a non-slip back, comfortable grip and easy to control slides, helping you present a smooth and natural presentation more perfectly. Functions: laser red light, laser pointer, black screen, next, previous, full screen, power button. [Easy to Use]: Plug and play mode. Simply plug the USB receiver into the USB port on your Mac or PC. No software or driver installation is required, so you don't have to worry about complexity. Note: When using, you need to switch the "Off or On" button to "On". [Wide Application]: The exquisite presentation pointer is a perfect presentation tool for teachers, event managers, sales managers, etc. for presentations, courses, conferences and meetings. They can also play with cats and dogs as toys. It is also a gift for the best friend or family member, as different birthday gifts, holidays, etc.