The EPTTECH Water Level Monitor Tank Level Monitor is a smart home device that allows you to monitor the water level in your tank using your smartphone. It is compatible with a universal range of brands and devices, and features wireless connectivity for easy setup. The monitor includes a sensor, indicator, and power adapter, and offers control through an app or touch interface. With a corded electric power source and Bluetooth smart home protocol, this tank level monitor provides convenience and precision for keeping track of your water levels.