DinoFire Presentation Clicker with Laser Pointer Hyperlink Volume Control RF 2.4GHz USB Powerpoint Wireless Presenter Presentation Remote Slide Advancer for Mac/Keynote/PC/Laptop/PPT

3 YEARS WARRANTY: Free Replacement or refund in 3 years; Free USB if lost in 2 years 2.4G RF frequency, which is an ISM free frequency can be used world-wide Transmitter Features: Frequency: 2.4GHz Max Output: Less than 5mW Laser Class: 3R Light Distance: >200m Battery: AAA battery (Not included) Working Voltage: 1.5V Sleep Current less than10uAv Dimension: 13.5*1.5*1.5cm Weight: 30g Receiver Features: Operation System: XP, Windows 7/8/10, Mac OS, Linux, Android USB Version: USB 1.1, compatible with USB2.0, USB 3.0 Weight: 1.6g Package listing: 1 x Wireless Presenter Remote Control 1 x Wireless Receiver 1 x User Manual 1 x Pouch Case