Photo 1 of *MISSING PARTS* WiFi Door/Window Sensor: Smart Contact Sensor with App Alerts, Door/Window Open Detector Compatible with Alexa/Google Assistant, Entry Detector for Home Security & Automation (3Pack)

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Photo 1 of *MISSING PARTS* WiFi Door/Window Sensor: Smart Contact Sensor with App Alerts, Door/Window Open Detector Compatible with Alexa/Google Assistant, Entry Detector for Home Security & Automation (3Pack)Photo 2 of *MISSING PARTS* WiFi Door/Window Sensor: Smart Contact Sensor with App Alerts, Door/Window Open Detector Compatible with Alexa/Google Assistant, Entry Detector for Home Security & Automation (3Pack)