On second thought it appears it may be possible to do this with existing smartapps
SHM Delay TrueExit a real exit delay before arming SHM
SHM Delay for the entry Delay and sensor monitoring
Big Talker for the sounds.
On second thought it appears it may be possible to do this with existing smartapps
SHM Delay TrueExit a real exit delay before arming SHM
SHM Delay for the entry Delay and sensor monitoring
Big Talker for the sounds.