High visibility Class 3A green laser is seven times brighter than a standard red laser pointer. Designed for large venues, this laser pointer projects a highly visible green dot up to 655 feet. The wireless remote includes Next and Previous buttons to make navigating presentation slides quick and easy. You can present from up to 32 feet away from the computer. The laser pointer/wireless remote connects to a computer using the included wireless USB receiver. The receiver can be stored inside the laser pointer when it is not in use. No additional software needed, PC and Mac compatible. Laser pointer wavelength: 532nm. Power output: <5mW.