Solar Water Tank Level Sensor: Effortlessly monitor your water tank levels with this solarpowered digital gauge offering precise readings from 1 to 5 meters with ±0.05m accuracy for reliable reservoir management. Complete Monitoring System: Includes a waterproof IP65 transmitter for outdoor tank placement and an indoor receiver displaying realwater level, temperature in °C/°F, and with 12H/24H format and backlight. Solar Charging Convenience: Transmitter features builtin solar panel that automatically charges its 6 AAA NiMH batteries during daylight eliminating frequent battery changes and insuring continuous operation. MultiFunction Alert System: Receive low battery warnings, audible alarms and key sound through the receiver while monitoring tank temperatures from 40°C to 60°C with ±1°C accuracy for comprehensive oversight. Use scenario: Outdoor farm or rural property with multiple water tanks can rely on this system to maintain adequate water supply for livestock and irrigation, with realtime level and temperature data and alerts. Use scenario: Greenhouses or irrigation setups benefit from continuous monitoring of storage tanks, ensuring water availability and early warning of low levels or temperature changes. Use scenario: Offgrid cabins or remote facilities using outdoor storage tanks can operate confidently with solarpowered sensing and indoor display, reducing maintenance and battery changes while providing clear alerts.