Lens: 2.0 mm ; View angle: 140 ° ; IR illuminator: 5 ... 10 m ; proximity reader built-in: Unique EM 125kHz ; Wireless transmission range: The range limited only by the availability of the Wi-Fi network ; Main features: Micro SD memory cards up to 256GB support (possible local recording), Motion Detection, PIR detector, Indoor proximity cards and key-fobs reader, Bidirectional communication, Video PUSH personal messaging, Video recording, Lock control - Relay output ;