Model 

DS-2CD2745G1-IZSU-B

Camera 

Shutter Speed 1/3 s to 1/100,000 s
2.8 mm: , horizontal FOV 99° to 35°, vertical FOV 53° to 20°, diagonal FOV 117° to 41°
Max resolution – 3200 × 1800
Day/Night Switch – Day/Night/Auto/Schedule
Power Off Memory – Yes

microSD/SDHC/SDXC card (256 GB), local storage and NAS (NFS,SMB/CIFS), ANR
Anti-flicker, three streams, heartbeat, mirror, privacy masks,
password reset via e-mail, pixel counter, HTTP listening

Password protection, complicated password, HTTPS encryption, 802.1X authentication (EAP-TLS 1.2, EAP-LEAP, EAP-MD5), watermark, IP address filter, basic and digest authentication for HTTP/HTTPS, WSSE and digest authentication for ONVIF, TLS1.2
Up to 32 users 3 levels: Administrator, Operator and User

1 RJ45 10M/100M/1000M Ethernet port;
1 RS-485 interface (half duplex, HIKVISION, Pelco-P, Pelco-D, self-adaptive)

Frequency Range 2.412 GHz to 2.4835 GHz
Wireless Range 50 m
Supports one fixed region for main stream and sub-stream

Line crossing detection, intrusion detection, unattended baggage detection, object removal detection, Face Detection – Yes
Objects removed from the pre-defined region, such as the exhibits on display
Environment Noise Filtering