1. Solar Charging Water Tank Level Digital water tank level gauge with solar powered charging for continuous operation and minimal battery maintenance. Ideal for remote locations or general home water storage systems. 2. Precise With Dual Sensors Delivers accurate readings with a water level resolution of ±0.05 m and temperature accuracy of ±1°C over depths from 1 to 5 meters, and operating within tank temperatures from 40°C to 60°C. 3. IP65 Weatherproof Transmitter Design Transmitter is rainsplash resistant with an IP65 rating and ABS housing. It includes a built in solar panel that automatically charges the 1.2V NiMH rechargeable batteries during daylight hours. 4. MultiFunction Receiver Display Compact indoor receiver shows real time water levels and indoor temperatures from 0°C to 50°C. Features adjustable 12H/24H display, backlight, low battery alerts, and audible alarm functions. Powerable via AAA batteries or TypeC power supply. Applications and use scenarios Off grid or remote water storage setups such as rural homes, cabins, or irrigation tanks where frequent battery changes are impractical. Outdoor rainwater harvesting or outdoor storage tanks where weatherproof sensing and solar charging ensure reliable monitoring. Indoor or domestic water storage systems where a compact, powerflexible receiver can provide continuous level visibility and alerts.