Feature:1. Multi Purpose: The presentation function of presentation clicker includes Page up/down, slide show and blank screen, it is a multifunctional tool.2. Strong Practicality: Electronic pointer is a perfect combination of wireless mouse and wireless presenter, very practical.3. Easy to Use: Wireless presenter remote can easily control multimedia through the following functions, volume control, playback and pause, etc.4. Remote Control Distance: Note with highlight pen, no need to drive, remote control distance 1520m, wireless control technology 2.4G.5. Compact Structure: PPT page turning pen is small and light, with a compact structure design that does not take up too much space.Specification:Item Type: Remote Control PenMaterial:PlasticProduct Size: Approx. 14cm / 5.5inApprox. 4cm / 1.6inApprox. 3cm / 1.2inNet Weight: 68gRemote Control Distance: Approx. 15-20m / 5.9-7.9inWireless Control Technology: 2.4GAdapter Battery: 2 x AAA Batteries (Delivered Without Batteries)Compatible System: For Windows, for OS X , for Linux, for Android.Package List:1 x Remote Control Pen1 x Receiver1 x User ManualNote:Ship without battery