Thiết Bị Gọi Khẩn Cấp DaHua VTA2302A

System

Main Processor

Embedded processor

Operating System

Embedded Linux operating system

Button Type

Mechanical

Interoperability

ONVIF

Network Protocol

RTSP; RTP; TCP; UDP

Baisc

Camera

1/2.7″ 2MP CMOS high definition, low illumination

Field of View

Horizontal: 91°; vertical: 47°; diagonal: 111°

Video Compression

H.264

Video Resolution

Main stream: 720p; sub stream: 1080p

Video Bit Rate

256 Kbps–2048 Kbps

Audio Compression

G.711u

Audio Output

Built-in speaker, external active speaker

Audio Mode

Two-way voice call

Audio Enhancement

Echo suppression, digital noise reduction

Audio Bit Rate

16 KHz, 16 Bit

Casing Material

Aluminum

Function

Communication Mode

Full digital

Web Configuration

Yes

Port

RS-485

1

Alarm Input

2

Alarm Output

2

Power Output

1 (12V/100mA)

Network

1 RJ-45 10 Mbps/100 Mbps self-adaptive

General

Color

Silver

Power Supply

DC 12V 2A

Standard PoE(36-57V, 0.35A)

Power Adapter

Optional

Installation

Surface mount

Certification

CE, FCC

Dimensions

180.0 mm × 105.0 mm × 46.7 mm

(7.09″ × 4.13″ × 1.84″)

Operating Temperature

-30° C to +60° C (-22°F to +140°F)

Operating Humidity

10RH%–90RH% (non-condensing)

Operating Altitude

86kPa–106kPa

Power Consumption

≤ 2W (standby), ≤ 6W (working)

Gross Weight

1.2 kg (2.65 lb)