Design: The R400 Wireless Presenter is crafted to enhance your presentations with its high visibility red , visible against most backgrounds. Its intuitive controls allow for seamless navigation through slides, ensuring a confident presentation. Easy to Use: This presenter is plug-and-play with no software required, featuring built-in slideshow buttons and a comfortable, design for easy handling. The storable USB receiver makes setup quick and straightforward. Extended Range and Compatibility: Operates effectively up to 20 meters with 2.4 GHz wireless technology. Compatible with for XP, Vista, 7, 8, 10, and for systems with a USB interface. Additional Features: Includes a battery-power indicator and an on/off switch to conserve power. Requires 2xAAA batteries (not included). Colour:Black Material:plastic Package Contents: 1 x Wireless Presenter Remote Control 1 x Wireless Mini Receiver Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.