HJJSCLS01 Non Contact Capacitence Water Level Sensor Capacitive Liquid Level Detector Easy Mounted Contactless Liqud Level Sensor, Pack of 2

There are absolutely no instructions or specs on the listing nor in the package. Short wires, odd mounting tabs, and limited specs. There are 3 wires but no explanation as to what does what. After researching online and testing myself, I have discovered the following:* Requires 5v, no less, no more* Black wire is negative* Red wire is positive 5v* Max tank thickness is 2.5mm, NOT 5mm* White wire is water level signal (5v/0v)* The sensor is not on the side where the screw tabs are flush (as common sense would indicate). The sensor is on the opposite side meaning there is that odd gap between the screw tab and the tank you are monitoring.### Important ###This outputs 5v when NO WATER is detected and outputs 0v when water is detected.