ZCT330Mx-SWP-N-YKC1 is a high-precision dual-axis inclination sensor based on NB-IoT wireless network developed and produced by Zhinuo Technology. It has a maximum measurement range of ±30 degrees, an alarm function, and uses the CTIOT protocol (based on China Telecom platform) by default. It can be widely used in building construction, geological exploration, municipal administration, communications, heat, water, electricity and other industries.