Laser Pointer Clicker Features: A plug-and-play wireless receiver, there's no software to install. No hassle setup, simply plug into your computer's USB port. Buttons having quick access to different functions are easy to find by touch. Transmitter Features: Switch: Button Material: ABS Light Style: Beam light Light Color: Red Class 3R Battery Power: 1 Pcs 1.5v AAA Battery (Not Included) Size: 130x90x40mm/5.1x3.5x1.6inch (Approx.) Control Distance: 10m-15m (The effective distance will change with the surrounding environment) Receiver Features: Material: ABS Supported OS: win 2000, XP, Vista, Win7,Win8,Win10,MAC OS, Linux Interface: USB1.1, USB2.0 USB3.0 Size: 65mm x 20mm x 11mm/2.56 x 0.79 x 0.43inch (Approx.) Package Included: 1 x Wireless Presenter remote control 1 x Ultra-Slim Wireless Receiver Environmentally friendly ABS plastics;Scientific ergonomic design A plug-and-play wireless receiver;Wireless Technology: 2.4 GHz Support options: With page up and page down buttom, supports MS Word, Excel, PowerPoint, ACD See, website, iWork (Keynote & Numbers & Pages) etc; For MacBook on OS, plug the usb receiver into laptop, it will come out a box, and then you can select 101or104 option Buttons: light pointer, display of black screen, next, previous, full screen, on/off switch; One-touch keys easy to control slideshow; About pointer: hold down the button to keep the light on Wireless remote control distance range of up to 39-foot, so you can free to move around the room and interact with your audience