King Mach Jmwx-5RTU Low-Power Logger for Geotechnical Engineering. Ultra-Low Power Consumption: Standby current under 1mA with built-in 5200mAh battery for over 15 days operation. Built-in 4G Communication: Integrated 4G module for real-time data upload and remote monitoring capabilities. Adjustable Timing Interval: Flexible timing measurement interval ranging from 3 minutes to 30 days. Robust IP67 Protection: Dust and water resistant design suitable for harsh geotechnical environments. Remote Upgrade Support: Enables firmware updates and configuration changes via wireless network. High Reliability: Mean Time Between Failure (MTBF) exceeds 10,000 hours with low data loss rate. Versatile Sensor Compatibility: Connects to water level meters, displacement meters, and bus-type RS485 sensors.