HiRO 4 in 1 Presenter with Green Laser Pointer and Wireless Mouse and Multimedia Control - Pearl White (H50182) Ultra Bright Green Laser Pointer One Control for Presentation, Wireless Mouse and Multimedia Controls Extended Remote Distance up to 328 ft (Outdoor) No need for any additional personnel assistance No need to AIM at the USB receiver No driver required even with the dated Windows 98 (2nd Edition) Can be transferred/used on any window-based PC Ergonomic Design, Compartment for USB Receiver, Compact Size Frequency Range: 2.4 ~ 2.483 GHz Remote Range (Approximate): Indoor - 100 ft/30 m; Outdoor - 328 ft/100 m Laser Specification: Semiconductor Laser Wavelength: 532 nm Emission Duration: Continuous Output Power: &lt; 0.95 mW Operating Voltage: Presenter - 2.4~3.3 V; Laser - 2.6~3.3 V Output Power: &lt; 1mW Ultra Bright Green Laser Pointer One Control for Presentation, Wireless Mouse and Multimedia Controls Extended Remote Distance up to 328 ft (Outdoor) No need for any additional personnel assistance No need to AIM at the USB receiver No driver required even with the dated Windows 98(2nd Edition) Can be transferred/used on any window-based PC Ergonomic Design, Compartment for USB Receiver, Compact Size Frequency Range: 2.4 ~ 2.483 GHz Remote Range (Approximate): Indoor - 100 ft/30 m; Outdoor - 328 ft/100 m Laser Specification: Semiconductor Laser Wavelength: 532 nm Emission Duration: Continuous Output Power: &lt; 0.95 mW Operating Voltage: Presenter - 2.4~3.3 V; Laser - 2.6~3.3 V Output Power: &lt; 1mW Normal Power Consumption: Presenter Active: &lt; 10mA Laser Operation: &lt; 300mA Sleep Mode: &lt;10?A Power Source: 2x AAA Batteries No need to carry any additional accessory separately Easy to use like a normal wireless mouse