The connection of the DoorBird I/O Door Controller to the network can be accomplished via network cable (PoE cabability) or WIFI
Built-in Mic & Speaker IPC2124SR3-ADF28KMC-DL
Extended Distance Transmission: Up to 250 m data and power transmission range under Extend Mode**
Comes with 4 sets of washers
Grandstream 4 Port T1/E1 Gateway GXW4504
Hikvision DS-2TD2637-35/QY cameras The connection of the DoorBird384 288 resolution, 17 m, VOx UFPA, NETD < 35 mK (25C, F1. 0) Video content analysis: vehicle human classification Temperature exception alarm for fire prevention, 20C to 150C ( 4F to 302F), 8C ( 14. 4F) Smoking detection Algorithm Image processing technology: linear, histogram, self adaptive thermal AGC mode, DDE, 3D DNR High quality detector with 10 years guarantee Bi spectrum Cam 384