Product Overview This product is designed to enable the automatic headlight function of vehicles. It uses optoelectronic devices to sense changes in ambient light intensity, and outputs electrical signals to the Body Control Module (BCM) to automatically control the on/off of vehicle headlights, thereby enhancing driving convenience and safety. Product Features Stable and reliable, with low power consumption and long service life Wide measurement range and large receiving angle, enabling more sensitive detection Automatic hysteresis for switch signal switching All components are domestically produced, offering high cost-effectiveness