12 Pattern LED Flasher Multifunction flasher is for LED's only. 12 Different flash patterns and has constant on. Flasher box is waterproof. 2 volt in 12 volt out. 24 volt in 24 volt out. Draws less than 400 mA. Green wire for pattern changing. It does hold it's flash meaning; if you shut it off at a certain flash, when you turn it back on, it will be the same flash as you shut it off at.