It is a temperature and relative humidity sensor with high measurement accuracy, which can fit into small and narrow spaces with its compact design. It has low power consumption, it can send measurement data digitally over only 2 wires. It can make stable measurements at different humidity and temperature values. Thanks to the mounting apparatus, it can be easily mounted in electronic device boxes and other environments. With its plug-in feature, it can be run quickly without the need for any driver and program.