Accurate Liquid Level Gauge: Monitor water storage with a measurement range of 1 to 5 m and an accuracy of ±0.05 m, providing realtime readings to prevent overflows or shortages in residential, agricultural, or industrial settings. Solar Energy Powered Convenience: Builtin solar panel automatically charges the transmitter's 1.2 V NiMH rechargeable batteries, offering continuous operation without frequent battery changes. Dual Unit Temperature Display: Simultaneously track indoor temperature (0 C to 50 C / 32 F to 122 F) and water tank temperature (40 C to 60 C / 40 F to 140 F) with 0.1 C resolution; instantly switch between C and F to suit user preferences. UserFriendly Features: Backlight on/off for night readings, 12H/24H time formats, low battery alerts, adjustable buzzer, and IP65rated transmitter to resist rain splashes, ensuring stable performance in varied environments. Practical use scenarios: Home water storage: Monitor tank level and temperature to prevent shortages and ensure safe storage. Farm or greenhouse irrigation: Track water supply for irrigation and livestock, enabling proactive water management. Small industrial facility: Monitor process or storage tanks with offgrid capability to support continuous operation.