1. Green Laser
Wireless presenter with the green laser which is better for showing up on variety of backgrounds, bright green light helps you to clearly point things out to people, the presentation remote with green laser is 10 times brighter than red.
2. Rechargeable Battery
The internal battery lasts quite a bit and it's easy to recharge, charge 1 hour to provide weeks of use, not having to bother with constantly replacing batteries.
3. Wireless Range
The clicker for PowerPoint presentations remote range up to 30 meters, so you can walk around the room instead of standing by your computer switching slides, allows for a smoother and more dynamic presentation.
Multimedia function include page up/down, volume+/-, play slides, black screen.