The single-button compact SIP doorbell has the following features:
-Smart intercom for villas, small offices, or single-family homes
-SIP-based two-way intercom, access control
-Video surveillance
-2 megapixel camera(V2.0)
-Soft light large button, easy to operate
-One button for call and card reader
-Wiegand interface
-Body induction
-IP65 Protection
-RS485 interface
-PoE