The Huf Baolong Tire Pressure Sensor (433MHZ Frequency) - RDE002 is a sensor designed to measure the air pressure inside a vehicle's tires. It operates at a frequency of 433MHZ and is manufactured by Huf Baolong. This sensor is used to monitor the tire pressure and can help alert drivers to potential issues such as low pressure or leaks. It is a crucial component in maintaining proper tire pressure, which can improve fuel efficiency, handling, and overall safety on the road. The RDE002 model is specifically designed to work with a 433MHZ frequency and is compatible with various vehicles.