LOGITECH Wireless Presenter R400 Presentation remote control RF

Make your point. With a curved design, intuitively placed controls, and a bright red laser you'll be in control from start to finish. Feel free to move around the room, up to 50 feet.
Product Description: Logitech Wireless Presenter R400 presentation remote control | Device Type: Presentation remote control | Dimensions (WxDxH): 11.55 cm x 3.78 cm x 2.74 cm | Weight: 57 g | Connectivity Technology: Radio | Supported Devices: Personal computer | Max Operating Distance: 15 m | Battery: Standard - AAA type Alkaline | Microsoft Certification: Compatible with Windows 7 | Manufacturer Warranty: 3-year warranty