2.4G  Wireless Presenter Receiver Pointer Case Remote Control with Red Laser Pen   The Wireless Presenter , is designed to help you make your point in a meeting. It&rsquo;s got a red laser pointer, is easy to see against most backgrounds and projection surfaces, you can be sure they won't miss the point. Its intuitive slideshow controls help you navigate through your presentation with confidence.   Features : 1. Built-in slideshow buttons. 2. Contoured one-touch keys for easy slideshow control. 3. Lightweight, portable, comfortable handheld feeling. 3. Plud and play, no software required, makes it simple to get started. 4. Red laser pointer with LED indicator, is easy to see against most backgrounds and projection surfaces. 5. Storable receiver ,easy to use, simply insert the receiver to USB port and it can be used immediately. 6. Battery-power indicator, make you understand the power's situation. 7. Onoff switch, can extend the battery lifetime.   Specifications : 1.Color : Black 2. Effective Range : Approx. 50-foot(15-meter) 3. Battery : 2xAAA batterier(Not include) 4.  2.4 GHz wireless technology. 5. Output power < 0.5mW 5. USB port 6. System Requirements : Windows XP, Windows Vista, or Windows 7 8 10, Mac OS X. 7. Net Weight : 36g 8.Size: approx. 11.5 x 3.7 x 2.7cm   Package included : 1 x Wireless Presenter Remote Control 1 x  Wireless Mini Receiver