1Pcs water flow sensor, used for 220V 120W automatic water flow self priming pump switch of cold and hot water circulation pump

Battery Included：No Model Number：Water flow switch caliber 1/2 and 3/4 DIY Supplies：Electrical Brand Name：YeNiuDQ Origin：Mainland China Certification：NONE

Battery Included: No Model Number: Water flow switch caliber 1/2 and 3/4 DIY Supplies: Electrical Brand Name: YeNiuDQ Origin: Mainland China Certification: NONE