د Ecolink WST-621 سیلاب او منجمد سینسر لارښوونې لارښود
Ecolink WST-621 Flood and Freeze Sensor Product Information The WST-621 Flood and Freeze Sensor is a patent-pending device that operates at a frequency of 319.5 MHz and uses a 3Vdc lithium CR2450 (620mAH) battery. It is compatible with Interlogix /…