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Amazon.com: YOLINK LoRa Smart Outdoor Contact Sensor, Gate & Shed Door Sensor, Universal Contact-Closure Sensor, Email/SMS/Push Alerts, 1/4 Mile Open Air Range, Alexa, IFTTT, Home Assistant (Hub Required) : Tools & Home
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DIY WATERPROOF SmartThings Contact Sensor - Outdoor Z-wave & Zigbee Door Smarthome Automation - YouTube
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