When the visitor presses the button on the doorbell, your smart device interacts with the doorbell:
o via real time video and full duplex talk
o take photo screenshots that save directly to your smart device and
record videos that save directly to MicroSD card of doorbell
o activates your indoor chime with preset melodies and volume control
Further features include unlocking and locking of gate or door via smart device whilst on a call, as well as RFID card access for 5 users.