1. Presentation remote: designed with 1 x AAA dry battery (not included) easy to replace and operate when its power off it avoids electric leakage as well.
2. 360 degrees control presentation clicker features 2.4GHz universal RF frequency and remote range of up to 50m laser distance up to 200 meters.
3. Multi-purpose: suitable for Windows 7/8/10 XP Mac OS Linux Android and PowerPoint WPS PDF etc.
4. Super design: feels softer and equipped with a separate on/off switch to effectively prevents unnecessary power consumption when in storage