The HSU-07F with 30x18mm Sensor Modules ROHS is a sensor module manufactured by HAIGU. This module is designed to measure and detect changes in physical parameters such as temperature, humidity, pressure, current, voltage, etc. It has a frequency range of DC to 30MHz, a frequency deviation rate of 0-20%, a temperature range of -40 to 125 degrees Celsius, and a voltage range of 0-30V. It also offers a wide range of features such as digital signal generation, short-circuit protection and a high signal-to-noise ratio. This module is RoHS (Restriction of Hazardous Substances) compliant and can be used in a variety of applications.