LED compatible flasher for 12 Volt negative ground vehicles. Has 3 terminals, Load, Pilot and X for positive 12 Volt input and a pigtail wire for ground. Can handle up to 120 Watts either led or incandescent bulbs. Contact L is for the load. Contact X is for the +12V input. P is for the pilot light. The flasher self adjusts the output for the load it has. The flasher is rated for 400 hours flashing time. The standby current is 20mA. The operating voltage is from 11 to 15 volts. Time to first flash is less the 1.5 seconds. The duty cycle is 30 to 75 %. The operating temperature is -25F to 140F. Approximate size 1.313" width, 1.422" height The pigtail wire length 7.5". Please use a 20amp fuse for the input X terminal. 60 to 120 flashes per minute. CE and Rohs.