1. Tap the magnet and the sensor twice. (or open and close the door twice) The sensor will flash twice each tap. 
2. The sensor will begin to flash blue, indicating it is ready to pair. 
3. Follow the pair process in the SECURAM Smart app.

The Door Sensor uses a CR2032 3V button cell battery to operate. 

1. On the sensor, push the top housing off the bottom housing. 
2. Remove the spent battery. 
3. Install a new battery with the positive (+) side facing up. 
4. Slide the top housing back on to the bottom housing. 

Open and close the door after replacing the battery. It should flash with each open / close.