http://www.gadgettown.com/Red-Laser-Presentation-Remote-Black-5mW-650nm.html
This 5mW 650nm 2.4 GHz Wireless Red Laser Presentation Remote Black is very small and easy to carry, no setup needed, you can put it anywhere anytime you want, especially for party, it makes the party fascinating. You can even use the Red laser pointer pen to decorate the sky at the night.