The wired USB optical mouse from Kokuyo Co. can be used as a laser pointer also. The laser point has a maximum range of 25m and being a wired mouse there is no danger of battery getting exhausted as in the case with cordless mouse. With three buttons and convenient scroll wheel the mouse is compatible with OS Windows 98/Me/2000/XP and Mac OS 9/X. The laser point is activated by pushing the laser button placed behind the scroll button.

The USB laser point mouse measures 58×101×35mm, weighs approximately 88g and will be available from December 27th for approximately 4,500 Yen ($ 38).
Source - Kokuyo