The Foscam SD4 features a 350 Degree horizontal and 90 Degree vertical rotation, almost covering 360 Degree of view without blind zone. 4X optical zoom with auto focus lets you experience every perfect close-up detail. This home security camera can intelligently only detect human activities and decrease false alarms triggered by running pets, flying birds or other moving objects. This wifi camera supports two-way audio, with built-in mic and speaker, you can communicate with welcomed guests and get rid of unwanted guests no matter where you are.