This turn signal relay is controlled via the standard 3-way switch, this is still used on many vintage bikes and these are usually wired to plus 12 volt. The turn signal frequency is independent from the load, no matter if you use traditional (incandescent) light bulbs or LED turn signals. Auto cancel options and he emergency flasher (hazard light) function can be activated by fast switching between the left and right position. - Dimensions: 38 mm x 16 mm x 11 mm - Body material: ABS with waterproof poured 2k epoxy resin - Input voltage range: 7 - 18 Volt - Connections: Inputs 0.14 mm², Outputs 0.75 qmm - Maximum current: 5 Ampere / output - Maximum ambient temperature: 80 degree Celsius - Auto cancel after 4 flashes, or 30sec flashing, or flashing without time limit. Depending on how long switch is pressed.