? Optional recess box for recess mount.
? Supports power output, which can be enabled or disabled on the Web interface.
? Allows to insert a TF card to expand the storage capacity.
? Built-in heating module supports operation at a very low temperature.
? Metal casing.
? Supports batch configuration.
? Supports call and intercom with the connected indoor stations and apps.
? Supports video monitoring, security alarm, and tamper alarm.
? Built-in IC card reader.