Умный переключатель Smart Switch 3 gang

1. When switch in no network state, switch will auto enter network piar state after repower on. 2. Factory restore enter piar state: first long press any swtich about 5 seconds, release press when hear the beep D sound, which the net led will blink continue, then in 5 seconds , do long press again about 5 seconds, release hear beep D again and D two times after release. All net led blink , it's time to pair with phone .The state will hold about 30 minutes, you can cancel by short press anytime.