Here's a short video of my strobes. I've got 1 in each headlamp and 1 in each taillight. They're Whelen connected to a 60-watt power supply. They go off when my alarm does and I've also got a switch to control them. People were coming outside wondering who was getting arrested The file's 7 megs. Right click, save as: http://www.huskyfan23.com/strobes.mov