Float Switch Water Liquid Level Sensor Module Plastic/Stainless Steel for Tank

Stainless Steel PP Float Switch Water Liquid Level Sensor Module for Tank Pool

Stainless Steel Float Switch Water Liquid Level Sensor Module for Tank Pool

Stainless Steel 45mm/ PP 52mm/ Right Angle Water Level Sensor Ball Float Switch

US Stainless Steel Liquid Water Level Sensor Horizontal Float Switch Tool

High Low Voltage Liquid Water Level Sensor Module Float Switch For Aquarium Tank

PP 52mm Stainless Steel 45/200mm RightAngle Water Level Ball Float Switch Sensor

LM393 Voltage Comparator Module High Low Level Dual Output Signal Adjustable Kit