What are the function of flasher unit in vehicle?

The flasher unit in a vehicle controls the blinking of turn signal lights and hazard lights. It regulates the electrical current flowing to the bulbs, allowing them to alternate between on and off, creating a flashing effect. This signaling system alerts other drivers of the vehicle's intended maneuvers, enhancing safety on the road. Additionally, the flasher unit helps prevent overheating by managing the duration and frequency of the light activation.