Output voltage boosts along with the immersion depth of the moduleDetection depth: 48mmPower: 2.0V ~ 5.0VDimension: 19.0mm * 63.0mmMounting holes size: 2.0mmApplicationsWater level alarm How to UseIn the case of working with a MCU:VCC ? 2.0V ~ 5.0VGND ? power supply groundAOUT ? MCU.IO (analog output)