Custom LED Electronic LED Flasher Relay for LED Blinkers on Motorcycles - ELFR-1 Maintains OEM Blinker flash rate for a wide range of LED and non-LED blinkers. Plug and play connectivity with OEM connector (see compatibility list on company website - CustomLED.com). Recommended accessory for all Custom LED Integrated LED Tail Lights. 1-year Warranty & Satisfaction Guarantee! Your motorcycle must have a rectified standard 12VDC common negative ground system for this flasher relay to work (most bikes are 12VDC, common negative ground). Check our company website (Custom LED) for a full plug-and-play compatibility list. Guaranteed to work for blinker Loads of 0.05A to 10A! That covers almost ANY LED or non-LED blinker on the market!