(If two types of power sources are used simultaneously, it will prioritize the use of household power sources, and the battery will serve as a backup power source). Connect a household ordinary switch and unlock it through the switch.
Connected to building intercom system interface. Secure password input: Other numbers can be entered before and after the correct password to avoid being peeked at. We will try our best to answer or provide effective solutions for you. Due to the large time difference in some regions, we may reply to you within 12 hours at the latest Have a good day : Mountain.