Features:

1.Presentation clicker supports easy switch between BT and RF modes by an independent button, bluetooth can be used on mac etc. (Not recommended for ipad)
2A red Light is bright enough to see against most backgrounds (Not recommended for LED/LCD/TV screens); Control range is long enough: BT range: 50FT, Wireless range: 115FT, Light Range: 330FT
3.No need to download software, super easy to use; Powerpoint remote is multifunctional: Volume control, Switch windows, Black/full screen, Page up/down, Low power indicator.
4.Presentation clicker supported systems: Windows 2003/ XP/ Vista/ 7/ 8/ 10, Mac OS, Linux; Wireless presenter remote supported software: PowerPoint, Google Slides, Keynote, Prezi, PDF, MS Word, ACD See etc.