[01/07/2019] Govee Water Leak Detector Alarm 防漏水警報器，2 in 1 Water Alarm, Govee Water Leak Detector Alarm with Sensor Probe and Sensor Cable 120 dB Water Sensor Alarm for Basement,and Water Heater 1 pack (Battery Included)，定價$11.99，使用折扣碼 AWM694KS，特價只要$5.99 USD。Prime境內免運費 (學生可以免費試用Prime)。哪裡買:amazon。