Thiết Bị Chuông Cửa DaHua VTO4202F-P-S2

System

Main Processor

Embedded processor

Operating System

Embedded Linux Operation System

Button Type

Mechanical

Interoperability

ONVIF; CGI

Network Protocol

SIP; P2P; IPv4; UPnP; SNMP; DNS; DDNS; RTSP; RTP; TCP; UDP

Basic

Camera

1/2.5″ 2MP CMOS Low Illumination HD Colorful Fisheye Camera

Field of View

Horizontal: 168.6°; vertical: 87.1; diagonal:176.7°

Focal Length

1.9 mm

WDR

120 dB

Noise Reduction

3D DNR

Video Compression

H.265

Video Resolution

50Hz:
Main Stream (720P@25 fps), sub stream (1080P@25 fps)
60Hz:
Main Stream (720P@30 fps), sub stream (1080P@30 fps)

Video Frame Rate

25 fps

Video Bit Rate

256 Kbps to 4 Mbps

Light Compensation

Auto IR

Day/Night

Auto (ICR)

Audio Compression

G.711a; G.711u; PCM

Audio Input

1 channel

Audio Output

Built-in speaker

Audio Mode

2-way voice communication

Audio Enhancement

Echo suppression/digital noise reduction

Audio Bit Rate

16 KHz, 16 Bit

Status Indicator Light

3

Port

RS-485 Port

1

Alarm Output

1

Power Output

1-ch 12 VDC 100mA

Exit Button

1

Door Status Detection

1

Lock Control

1

Network Port

One RJ45 10M/100M network port

General

Appearance color

Silver

Power Supply

Dahua 2-wire switch (max. power supply distance 50 m)
DC 48V 1A
Standard PoE

Power Adapter

Optional

Installation

Flush/surface mount

Certifications

CE; FCC; UL

Accessory

Flush/surface mount

Product Dimensions

100 mm × 100 mm × 36 mm (3.94″ × 3.94″ × 1.41″)

Protection

IK07; IP65

Operating Temperature

–30°C to +60°C (–22°F to 140°F)

Operating Humidity

10%–90% (RH, non-condensing)

Operating Altitude

0 m–3000 m

Power Consumption

≤ 12W

Net Weight

0.35 kg (0.77 lb)

Gross Weight

0.4 kg (0.88 lb)