The sensor features high power, precision, compact size, good interchangeability and consistency, rapid response speed, and high reliability. It has a wide range of applications, is easy to install, aesthetically pleasing, and waterproof, making it suitable for use in harsh environments such as high temperatures and high humidity. It is widely used in battery, power supply, display, lighting fixtures, charger, electronic products, vehicles, household appliances (such as microwave ovens, induction cookers, ovens, etc.), motors, air conditioning equipment, heating equipment, industrial equipment, office automation equipment, and medical equipment fields.