Solar Powered Convenience: Builtin solar panel charges the transmitter, eliminating frequent battery changes and enabling continuous water level monitoring without external power. Precise Water Level Monitoring: Tracks tank water levels from 1 to 5 meters with ±0.05 m precision and 0.01 m resolution, featuring both visual display and audible alarm for reliable resource management. Dual Temperature Tracking: Measures indoor ambient temperature 0 C to 50 C and water tank temperature 40 C to 60 C with ±1 C accuracy, displaying in Celsius or Fahrenheit for comprehensive awareness. IP65 Weatherproof Transmitter: Transmitter offers complete protection against rain splashes and dust ingress, ensuring reliable operation in various weather conditions. The compact receiver (13.5 x 2.6 x 8.4 cm) fits conveniently indoors. Use scenarios Home or cabin water storage: Monitor rainwater or stored water levels and temperatures with a maintenance solarpowered transmitter and indoor receiver. Farm or rural irrigation and livestock tanks: Track water levels and temperatures outdoors, with weatherproof transmitter and indoor display for easy farm management. Outdoor facility water storage: Suitable for exposed environments where reliable level monitoring and alerts are needed, while the indoor receiver provides convenient access inside.