Simplified Installation with 2PCS Reliable Float Sensors for Water Levels

Float Switch Water Level Sensors Small Float Ball Switch Direct Replaces

20PCS Hall Effect Sensors 3144E Magnetic Detector Switches High Sensitivity

Compact Design 2PCS Water Level Sensors Perfect for Space Saving Needs

Rainwater Sensors Module Water Level Sensors Board for Mega2560

Float Sensors Designed to Prevent Overflow in Tanks and Pools Efficiently

Liquid Level Sensors with 2 Meters Cable Metal Alloy Water Level Controller

2 Pack Waterproof Photocell Sensors for Outdoor Lights, 120V AC 50/60Hz Photocel