ZCT-IOTH-WN-2X-JLA8 is a high-precision dual-axis inclination sensor based on NB-IoT wireless network developed and produced by Zhinuo Technology. It has a metal shell, a maximum measurement range of ±30 degrees, an alarm function, LwM2M protocol (based on China Telecom, China Unicom, China Mobile, Leshan platform), and MQTT protocol. The default protocol is LwM2M protocol (based on China Telecom platform). It can be widely used in building construction, geological exploration, municipal administration, communications, heat, water, electricity and other industries.