DC 12V Water Liquid Level Controller Sensor Module Water Level Relay Detection Sensor Pumping Drainage Switch Controlling Circuit Board

Features:
It features compact size, simple wiring, low power consumption, high switching capacity, anti-interference and stable functionality.
Able to automatically turn on water pump switch when water level drops low, and stop when water pool is full.
Users don't need to buy sensor probes separately, because probes can be replaced by household wiring cables.
This product can be used in pond water tank, garage, basement flooding rains place where automatic drainage is required, etc.
Ideal choice for automation equipment manufacturers, and also suitable for DIY enthusiasts and students to do experiments.
Note:
The product does not include lead (probe).
Household wiring cable can work as probes. Just strip off the head of cable about 3cm, making it bare for direct induction. It's recommended to weld stainless steel to the cable head, so it will be durable for long term use.