-Built-in HD camera with night-vision feature, adopt H.264 codec -High durability guarantees the highest coverage on the market according to the IP66 and IK07 standards. -Wide-angle camera: 120º (H), 60º (V) -Fitted with a tamper switch that detects unauthorized opening of the device itself. -HD voice speech quality with built-in 2.5W speaker and Acoustic Echo Canceller -Built-in 3 short-in detect port and 2 short-out control port -Built-in TF card slot for data storage -Compatible with ONVIF standard -Compatible with major platforms: Asterisk, Broadsoft, 3CX, Metaswitch, Elastix, Avaya etc.