Doorbell Mode:The connection button can use the host as a doorbell, reducing the use of multiple apps and making you truly experience smart home The alarm volume can be adjusted, level 0-15. User can use their time table, to set the time auto arm and time auto disarm, avoid to repeat daily or forgot the operation. Many use scenarios, intelligent lingkage to open Up to 4 remote controls and 50 wireless detectors can belearned.