HS0014 is an ultrasonic sensor manufactured by Audiowell. It is RoHS compliant, which means it meets restrictions on hazardous substances in electrical and electronic products. This sensor has a small size and high sensitivity, making it ideal for distance measurement, presence detection, and motion sensing. It features a detection range of up to 20 meters and an adjustable sensitivity that can be adjusted via a potentiometer. It can detect objects that are up to 18mm thick, and has a low power consumption of less than 15 milliwatts. HS0014 is designed to operate in temperatures ranging from -10 to 70 degrees Celsius, and is RoHS compliant, making it compliant with EU regulations. It is designed to be used in a variety of applications, including automatic door openers, presence detection, motion sensors, and security systems.