The 500D-X is a stand alone battery powered strobe light that runs off of 2 6-Volt lantern style batteries. The 500D-X will run approximately 24 hours on a fresh set of batteries. The batteries are contained in a powder painted black steel box with a hinged lid. The strobe is a single flash 12V strobe light. The unit includes 2 batteries and they are replaced by the "user" after that. This uses standard square 6 volt lantern style batteries with the spring type terminals on top.
* Weighs 8 pound
* Battery type = 2 total 6 volt lantern (comes with first set of 2)
* Run Time Appx 24 hours
* Flashes per minute 60 single flashes
* Size 9.75" tall by 7" wide by 5.5" front to back.