HIGH QUALITY PRESENTATION CLICKER: Highly Sensitive(RF 2.4GHz Wireless Automatic Frequency Hopping Technology Avoids other RF Signal Interference),Long Control Range can be up to 328 ft(100 meters,In an Open Environment),You can 360°Freely Control your Presentation around Every Corner of your Conference Room, Especially in a Large SpaceSUPER BRIGHT RED PRESENTATION REMOTE CONTROL: 5MW Bright & Steady Red Laser pointer presenter is Easy to See on any Presentation Screen(Not Recommended for LED, LCD Screens). Note:PLS Do Not Directed at People or Animal's Eye, Please Use it Properly. EASY OPERATION, UNIVERSAL COMPATIBILITY: just Plug and Play, this PPT Clicker Supports MS Word, Excel, PowerPoint, ACD See, iWork (Keynote & Numbers & Pages) Google Slide,Compatible with Windows Linux, Mac OS, Meet Different Laptops, Presentation Electronic Whiteboards, Projectors. Especially for Teachers, Tutors, Lecturers and Speakers, It Helps a lot. Widely Applicable: Presentation pointer support systems: Windows 2003/ XP/ Vista/ 7/ 8/ 10, Mac OS, Linux, Android; Laser pointer presenter support software: PowerPoint, Google Slides, iWork (Keynote & Numbers & Pages), Prezi, PDF, MS Word, Excel, ACD See, Website, etc. PACKAGE INCLUDES: 1x Wireless Presenter, 1xUSB Receiver, 1x Instruction Manual.(NOTE: Need 1x AAA Batteries,Not Included ). Specification: 　　Wireless technology: 2.4GHZ RF technology 　　Remote Control Range: Up to 328 ft(in an Open Environment up to 100 Meters) 　　Laser Distance: Up to 600 ft 　　Laser Category: Class 3R 　　Output power: < 5 MW 　　Laser Wave Length: 650nm (red light) 　　Sleep current