Computer Accessory Sets features: R800 2.4Ghz USB Wireless Presenter PPT Remote Control with LCD display, Laser Color:Green Color: we send based on the color or size of the main image of the product page. Quantity：we send based on quantity on title, if there is no quantity in the title, we send based on description. Product Description:1. Professional Presenter R800, with a brilliant green laser pointer, puts you in complete control of your presentation and makes it easy to direct your audience's attention to specific information from across the room - even on flat panel displays and in brightly lit rooms. To keep you focused on the crowd and not the clock, the Professional Presenter R800 provides an easy-to-set timer with silent, vibrating alerts. When you're moving around the room to engage your audience, at a range of up to 100 feet (30 meters), a reception - level indicator on the LCD keeps you from wandering too far. The intuitive slideshow controls help you find buttons easily by touch, and the compact design allows you to take it with you wherever you go. Plus the contoured shape feels great in your hand, so you'll be comfortable and confident that your presentations will make a lasting impression with your audience.2. Brilliant green laser pointer makes it easy to see your point Do you want everyone in the room to be laser focused on that important sales point, chart, map location or technical diagram? Just aim and press the laser control button to highlight anything on the screen. LCD display? Plasma display? Projection screen? No matter what presentation screen you use, this powerful green laser pointer is easy to see—even in a brightly lit conference room or from across a large convention hall.3. LCD display with timer lets you focus on the presentation, not the clock Want to know how much time you have left without checking your watch in the middle of your presentation? Simply set your total presentation time with the built-in timer. With the easy-to-read LCD display, you'll be able to check your remaining time without your audience even knowing. The presenter will silently vibrate with a 5-, 2- and 0-minute warning that tells you it's time to wrap it up.4. Up to 100-foot wireless range gives you more freedom to move around the room Walk the aisles. Circle the conference table. Seize the stage. Your Professional Presenter R800 keeps you in total control of your slideshow as you move freely around the room, engaging your audience. And if you wander too far, no worries. A reception-level indicator lets you know before you move out of wireless range—an impressive 100 feet.5. Intuitive one-touch controls for simple, smooth slideshow navigation Press the right arrow button to advance to the next slide. Press the left arrow button to go back. Start or stop your presentation when you're ready or use the black screen button to shift the attention back to you. It's that simple. The contoured buttons are located in just the right place and easy to find by touch. So you can run through your slides with confidence—without even having to look at the presenter in your hand. 6. Storable wireless receiver—plug, play and go Simply plug the powerful and reliable 2.4 GHz receiver into your computer's USB port and you're ready to present. No waiting. No hassles. No software to install. When you're done, store the receiver in the built-in docking bay inside the presenter. Technical Specification: 1.