The QQ-Tech 5mW 5-in-1 Laser Pointer Pen is perfect for creating constellations at home, and may also be used in romantic / lively environments, such as parties, bars, discos, etc. It’s currently on sale for only $14.99, originally $100. Product page. Continue reading for a video demonstration.

Simply press the push button to turn it on or to shut it off automatically. Expected Life: over 5,000 hours; Rage:3 mails; works with 2 x AAA battery (not included). Class IIIa laser pointer;Output Mode: Constant Wave; Max Output power:< 5mW;Wavelength:532nm.

[via Amazon]