Widely used —- It can be installed on DC12V motorcycles, scooters, ATVs, and three wheeled motorcycles. It has a wider range of applications and is more convenient to use. In the working state, when the power supply voltage is lower than the electric heating start voltage, the corresponding gear indicator flashes. If it stays below this voltage within 7 seconds, the controller will cut off the electric heating output and enter the standby state. If the normal voltage is restored within 7 seco 5 speed adjustment switch —- 5 speed adjustment switch, the temperature can be adjusted at will, and it can warm your hands in winter, bid farewell to frostbite, not afraid of wind and rain and snow. In the working state, every time you press the button, the electric heating power increases by 20%, 5 levels in total. The color of the indicator light is: blue, light blue, green, purple, red. Built in smart chip —- Throttle Handle Kit is built in smart chip, when the voltage is too high or too