Model 

DS-2CD2386G2-ISU/SLB

Camera 

Shutter Speed 1/3s to 1/100,000s
Slow Shutter
Lens – 2.8mm (horizontal FOV 111°, vertical FOV 59°, diagonal FOV 131°)
Max resolution – 3840 x 2160
Day, Night, Auto, Schedule

Support micro SD/SDHC/SDXC card (128G) local storage, 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

Plug-in required live view: IE8+, Chrome 41.0-44, Firefox 30.0-51, Safari 8.0-11 Plug-in free live view: Chrome 57.0+, Firefox 52.0+

1 input (line in), terminal block, max. input amplitude: 3.3 Vpp, input impedance: 4.7 KΩ, interface type: non-equilibrium; 1 output (line out), terminal block, max. output amplitude: 3.3 Vpp, output impedance: 100 Ω, interface type: non-equilibrium; 1 built-in speaker, 1 built-in microphone

Built-in micro SD/SDHC/SDXC slot, up to 256 GB

Anti-flicker, three streams, heartbeat, mirror, privacy masks, password reset via e-mail, pixel counter, HTTP listening
Front cover: metal, back cover: metal, sun shield: plastic
Camera: 70 × 68 × 171 mm (2.8″ × 2.7″ × 6.7″)
Face Capture
Line crossing detection, intrusion detection, region entrance detection, region exiting detection