YoSmart DS77-U02W User Manual page 4

Door Sensor and Leak Sensor Leak Sensor
Add a door sensor
Follow the on-screen instructions to add your door screen instructions to add your doorsensor to the hub.
Press and hold the Set Button for about 5 seconds till the status LED is green blinking. Press and hold the Set Button for about 5 seconds till the status LED is green blinking.
Test alerts
When door is open or close, you can , you can receive app push message or mobile phone text message text message
alerts.
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