RF433MHz Wireless USB Presenter with Red Laser Pointer - Silver + Black (2*AAA)

Pros: + Cheap!!!
+ Soft as a plume;
+ Beautiful;
+ Small;
+ Came with a great protective bag;
+ Plug 'n' play;
+ Good laser pointer;
+ Great area coverage (more than 5 meters away from the dongle);
+ Battery lasts longer;
+ Has a holder clip;
+ Works plug 'n' play on Linux!!! :D :D
+ A MUST BUY for teachers and instructors

Cons: - Build quality could be better;
- External metalized ink is poor quality;
- Buttons are very kinky;
- Maybe will broke easily due to its weak build quality.

Other: A superb product for a bargain, presenter and laser pointer plus a cool bag.

Pros: - Cheap but Good
- Easy to use
Personally test and use it in
- Windows XP, Vista, seven
- Mac OS Snow leopard and OS Lion
It a must have for students or teachers who don't want spend too much money on presenter.

Cons: build quality look a bit weak.

Other: Cheap Solution for peoples who do presentation often