Kensington Wireless Presenter with Red Laser - Nano Receiver. Wireless receiver interface: USB, Wireless technology: RF, Receiver type: Standard receiver. Product colour: Black, Presenter functions: Laser pointer, Remote control, Laser pointer colour: Red. Battery type: AAA. Compatible operating systems: Windows 7; Windows 11; Windows 8; Windows 10; macOS X 10.11; Vista; XP. Weight: 100 g