Kensington Wireless Presenter with Red Laser, RF, USB, 787.4" (20 m), Black Kensington Wireless Presenter with Red Laser. Wireless receiver interface: USB, Wireless technology: RF, Receiver type: Standard receiver. Product color: Black, Presenter functions: Laser pointer, Remote control, Laser pointer color: Red. Battery type: AAA. Compatible operating systems: Windows 11; Windows 8; macOS X 10.11; Vista; Windows 10; XP; Windows 7. Weight: 3.53 oz (100 g)