ZCT330M-LWP-ANx-Yxx 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, and optional CTIOT protocol (based on China Telecom platform), MQTT protocol (can be connected to Onenet platform) and COAP protocol. The default protocol is CTIOT 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.