Kensington Wireless USB Powerpoint Presentation Clicker with Red Laser Pointer, Compatible with Windows & macOS - 20 m Range (K33374EUB). Simply plug and play: Kensington presentation clicker works straight out of the box and does not require you to install any software or drivers. Red laser pointer: Easily highlight your main messages and keep your audience engaged. Compatible with windows and MAC OS: Take full control of your PowerPoint, KeyNote and Google Slides. 20 m wireless range: Thanks to 2.4 GHz connection, you will be able to control your presentation with no interference. Comfortable and easay to use design: With an intuitive red laser pointer, as well as forward, back and screen blackout buttons. Intelligent battery saving feature: USB receiver deactivates battery when inserted into presenter, preventing accidental battery drain. 2 years warranty included: For your peace of mind. Equipped with Advanced Encryption Standard (AES) the device encrypts electronic data to reduce consumer vulnerability to cyber crime. Internal storage space for the nano-receiver: The battery compartment provides internal storage space for storing the USB nano-receiver when not in use; each receiver and presenter are uniquely paired to avoid interference.