How to use the Alexa arm and disarm function when use ipc/lock/sensor?

1. Set the password 1. Find the device you want to use in the Alexa APP and enter the setting page; 2. Click Disarm by voice to start setting the password 2. Voice control statement arming: Alexa, arm my home. Alexa, arm my home in away mode. Alexa, arm my home in away mode. Disarm: Alexa, disarm my home.