Press the button on the controller – the LED on the controller will flash green. 2. Simultaneously squeeze and release both ends of the switch – the LED on the controller will flash green and red. This step must be performed within 60 seconds from Step 1. If not, the controller will stop blinking. Return to Step 1. 3. Press the button on the controller again to confirm the pairing – the LED will quickly flash green and then stop.  Detailed video tutorial available here.