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

• - Intuitive four-button layout lets you easily navigate forward and back within your PowerPoint or Keynote slides, while the other two buttons let you hide your screen and use the red laser pointer.
• - Red laser pointer makes your point at the touch of a button with a bright red laser that can highlight any part of your presentation with complete effectiveness.
• - Plug-and-play 2.4GHz wireless connection with 20m range delivers secure and reliable performance through a compact USB nano receiver, so you can roam the room with ease during your presentation. No driver required.
• - Government-grade AES 128-bit encryption protects sensitive data from potential hackers.
• - Battery compartment also provides a handy internal storage space for the wireless USB nano receiver when not in use. Each receiver and presenter are uniquely paired to prevent interference.
• - On/off switch lets you turn the presenter off to conserve battery power when not in use.