Pulsing LEDs

Here,s an interesting little LED project, cost effective and simple to make, 


http://www.ebay.co.uk/itm/371135998096?_trksid=p2055119.m1438.l2649&ssPageName=STRK%3AMEBIDX%3AIT


Now this mounted on your top yoke would get the officers attention   

I also found this one, instead of making you own pulsing LED, just buy it of eBay.

http://www.ebay.com/itm/12V-Breathe-Light-LED-Flashing-Lamp-Parts-Electronic-DIY-Module-LM358-Chip-8-LED