Feature: 1. Excellent Control: Accurate and sensitive, this controller can automatically start and stop the pump to better control the water level. 2. Wide utility: Allows flexible application in water pumping as well as water drainage in garage, basement, etc. 3. Reliable work: has low power consumption, strong anti-interference, large switching capacity for stable working performance. 4. Durable Use: Adopt high quality PCB material, not easy to malfunction, also has great durability for long term use. 5. Easy to install: lightweight and compact, wiring is very convenient to complete in just a few minutes. Specification: Item Type: Water Level Control Module Material: PCB Application: Water Level Switch (This product does not need to purchase other probes, you can use household wiring at the place probes.) Package List: 1 x Water Level Monitoring Module Note: 1. The probe has a wire mesh shell with plastic buckle, which can directly detect household wires. The head of the wire is stripped by approximately 2 cm so as not to be felt directly. 2. The product does not include the production line (probe).