HiRO H50175 3 in 1 2.4GHz WiFi Black Presenter Laser Pointer Wireless Mouse Up to 100 FT Windows Mac Compatible Making presentation easier and more successful. Multi-function design: Wireless mouse, Laser pointer and Presentation remote, 3-in-1. USB plug-and play, no software required. 3-in-1 Multi-Functions Implemented Into A Single Device1 Control for PowerPoint Presentation, Laser Pointer, & Wireless Mouse function Ergonomic Design & Compact Size Easy to use like a normal wireless mouse Extended Remote Distance Up To 328 ft.Ensure Interference-FREE control No need for any additional personnel assistance Frequency range: 2400~2483 MHz Remote range: Approximate 100 feet (30 meters ) indoors, 328 feet (100 meters ) outdoors Operating voltage: 2.4V~3.3V, Laser: 2.6V~3.3V Power: 2x AAA batteries Very low power consumption: Normal operation&lt;10mA Laser operation: &lt; 20mA Sleep: &lt; 10uA Output power: Under 1mW Making presentation easier and more successful. Multi-function design: Wireless mouse, Laser pointer and Presentation remote, 3-in-1. USB plug-and play, no software required. 3-in-1 Multi-Functions Implemented Into A Single Device1 Control for PowerPoint Presentation, Laser Pointer, & Wireless Mouse function Ergonomic Design & Compact Size Easy to use like a normal wireless mouse Extended Remote Distance Up To 328 ft.Ensure Interference-FREE control No need for any additional personnel assistance Frequency range: 2400~2483 MHz Remote range: Approximate 100 feet ( 30 meters ) indoors, 328 feet ( 100 meters ) outdoors Operating voltage: 2.4V~3.3V, Laser: 2.6V~3.3V Power: 2x AAA batteries Very low power consumption: Normal operation&lt;10mA Laser operation: &lt; 20mA Sleep: &lt; 10uA Output power: Under 1mW Laser Specification Laser: Semiconductor laser Wavelength: 650 nm emission duration: continuous Laser output power: Max.0.95mW Remote Control up to 50 feet indoors, 328 feet outdoors Laser beam safety switch. Compatible with Windows 98SE and above, Mac OS 9.1, OS X (10.1) and later No need to aim at the USB receiver Mac Compatible, No Driver Required Even With The Dated Windows 98(2nd Edition)Can be transferred/used on any Mac & PC