12V Water Level Detection Module Liquid Level Switch Sensor Controller Water Tank Tower Pool Automatic Pumping

Usage:Humidity Sensor is_customized:Yes Material:Polymer Output:Digital Sensor Type:Humidity Sensor Theory:Humidity Sensor Relay J:control pump power Product Introduction: Draw Water Auto Stop:whene water level increases to A point,because of water s small resistance,F point potenital is higher than 2/3Vcc;IC pin-3 output low level,and relay will power off,water pump stop draw watering Unit Type:piece Package Weight:0.035kg (0.08lb.) Package Size:15cm x 12cm x 10cm (5.91in x 4.72in x 3.94in)