Features 1、2.4GHZ WIRELESS CONNECTION: The presentation remote pen uses 2.4Ghz wireless technology to remotely control presentations within Approx. 15meter/49.2ft. 2、MULTIFUNCTIONAL: Comprehensive slide show functions, including forward, back, pause, start and black screen and full screen functions. 3、ERGONOMIC DESIGN: Presenter remote adopts curved design, which is ergonomic and won't make you sore when holding it for a long time. 4、PLUG AND PLAY: USB presentation clicker supports plug and play, no software required, very convenient and fast. 5、WIDELY USED: Wireless PPT remote is a practical tool for teachers and workers to present slides in presentations, meetings or classrooms. Specification Item Type: Presentation Clicker Material: ABS Model: AMP16AP Size: Approx. 10.8 x 4.1 x 2.5cm / 4.3 x 1.6 x 1.0in Remote Control Technology: 2.4G Control Distance: Maximum Approx. 15meter / 49.2ft Compatible Interface: USB Port Maximum Output: <1mW Class II Battery: 1xAAA Battery (Battery Not Included) Package List 1 x Presentation Clicker (Battery Not Included) 1 x Receiver 1 x User Manual