VTO2000A outdoor station monitor is embedded with 1.0-MP color CMOS camera, which has a 120°wide adjustable angle lens. VTO2000A's functions are extendable by adding optional modules. The device conforms to TCP/ IP & SIP protocols and supports mobile phone software so that users can answer, monitor and unlock the door anywhere anytime. VTO2000A supports flush mounted or surface mounted, and its stainless steel panel is vandal-proof and water-proof.