Technical Specification

Model

DHI-VTO4202F-P

DHI-VTO4202F-MA

System

Main Processor

SoC processor

Operating System

Embedded Linux operation system

Network Protocol

IPv4, RTSP, RTP, TCP, UDP, SIP, P2P 

Basic

Camera

CMOS Low illumination 2MP HD colorful 160° fisheye camera

-

Angle of View

H:160°, V:82°, D:180° 

-

Focal Length

1.95 mm

-

WDR

WDR

-

Noise Reduction

Noise suppression and echo cancellation

Video Encoding

H.264

-

Frame Rate

PAL: 25 fps; NTSC: 30 fps

-

Video Bit Rate

256K to 2M 

-

Light Compensation

IR light

-

Day/Night Switch

Yes

-

Audio Encoding

PCM G.711 A G.711 U

Audio Input

Built-in omnidirectional microphone

Audio Output

Built-in loudspeaker

Audio Bit Rate

16Khz 16bit

Function

Communication Methods

Digital communication

Unlock Mode

Remote unlocking

Auto Snapshot

Yes

-

Leave Videos or Text Messages

Yes

-

Web Configuration

Yes

Performance

Housing Material

Aluminum

-

Port

RS-485 Port

1 RS-485 half-duplex port

Alarm Output Port