โมดูลเติมน้ำอัตโนมัติ 9V-12VAC/DC Relay Liquid Level Controller Module

โมดูลเติมน้ำอัตโนมัติ 9V-12VAC/DC Relay Liquid Level Controller Module โมดูลเติมน้ำอัตโนมัติ ใช้ได้ทั้งปั้มแบบ AC และ DC 9V-12V AC/DC Liquid Level Controller Water Level Detection Sensor Drainage Pump Water Control ModuleThis product is designed to control the relay and then control to pump water or drain away water according to water level. It has so many advantages, such as mini size, easy wire connection, low power consumption, strong anti-interference performance, etc. Features: - Designed to control the relay and then control to pump water or drain away water. - Mini size, easy wire connection. - Powered by 9V-12V AC/DC. - Low power consumption, strong anti-interference performance. - Great for pool or water tower to control the water level. Notice: The product is not equipped with a probe, need to buy a probe neither. Just strip the electric wire 2cm instead of the probe, make it become bare wire then can induce directly.