Universal Fit: 4 pieces of 2-Pin Electronic LED 12V Flasher Relay for the most 12V cars and motorcycles in general, such as Honda, Kawasaki, Yamaha and so on. Suitable for Turn Signal, Hyper Flashing, Blinker LED Light. This Flasher Relay Controller will solve LED Light related turn signal blinker problems such as hyper fast flashing, not flashing, or light bulb burnt out warning. It is speed adjustable. Use a flat head screw driver to adjust the knob at the bottom to set its flashing speed from 50c/m to 200c/m; clockwise to slower, anticlockwise to faster. Easy Plug & Play installation: Easy to install, eliminate the need for tapping wires to install the load resistors. Waterproof design, Effective heat dissipation, with no excess heat issue. Operating Voltage: 12V, Operating Voltage: 11V-15V, Completely waterproof, Size: 35mm x 35mm x 27mm /1.38 x 1.38 x 1.1 Inch., Manufacturer: Gebildet