Focal length :
Focal length influence directly angle of view. If you choose long focal length will give you narrower viewing angle and a far focus point. However small focal length will offer larger field of view and closer focus point.
Outdoor camera offer protection against water and dust ( IP65 or IP66 rated). Also available in our range, vandalproof cameras ( IK10 and IK10+ rated) to resist against vandalism and deterioration.
Resolution is defined by the size of the picture. More you will have pixel, better your picture will be detailed. If so , it will be possible to zoom in the picture to check details.
Analog AHD :
AHD technology is analog technology. It offers High resolution video transmission over coax cable. The maximum transmission distance is 500m. The available stream resolution is 720p or 1080p. Ahd Technology is plug and play , easy to use and offering best value for money. Available recorder in the range are trybrid, They are able to support AHD, standard CCTV and IP.
Network (IP) :
IP technology uses Cat5E/6/6A.7 cable to carry video signal. It allows to mutualize resources and to use existing data cabling in the building. About cabling, fiber optic can be used to reach long distance transmission using dedicated port on the switch. IP cameras offer streams from 720P to 4K resolution. That offers the possibility to provide very high quality definition picture to see more details. PoE technology permits to power the camera through the data cable. This cable carry same time video data, telemetry and voltage. It is now very popular in IP camera projects.