Data Sheet

Product Code:

GX-HT844-28WIFI

> 4MP, 1/3” CMOS image sensor, low illuminance, high image definition 

> Outputs max. 4MP (2560 × 1440) @20 fps 

> H.265 codec, high compression rate, ultra-low bit rate 

> Max. IR distance: 30 m  

> ROI, SMART H.264/H.265, flexible coding, applicable to various bandwidth and storage environments 

> Rotation mode, WDR, 3D DNR, HLC, BLC, digital watermarking, applicable to various monitoring scenes 

> Supports 256 G Micro SD card 

> 12V DC power supply, easy for installation 

> IP67 protection 

> Supports Wi-Fi

Camera

Image Sensor

1/3”4Megapixel progressive CMOS

Max. Resolution

2560 (H) × 1440 (V)

ROM

128 MB

RAM

256 MB

Scanning System

Progressive

Electronic Shutter Speed

Auto/Manual 1/3 s–1/100,000 s

Min. Illumination

Manual 1/30 s
0.9343 Lux @F2.0 (Color, 80 IRE); 0.9258 Lux @F2.0 (W/B, 80 IRE); 0 Lux (IR on)
Manual 1/3 s
0.1195 Lux @F2.0 (Color, 80 IRE); 0.1190 Lux @F2.0 (W/B, 80 IRE); 0 Lux (IR on)

S/N Ratio

>52 dB

Illumination Distance

30 m (98.4 ft)

Illuminator On/Off Control

Auto

Illuminator Number

18 (IR LED)

Pan/Tilt/Rotation Range

Pan: 0°–360°
Tilt: 0°–90°

Lens

Lens Type

Fixed-focal

Mount Type

M12

Focal Length

2.8 mm
3.6 mm

Max. Aperture

F2.0

Field of View

2.8 mm:
Horizontal: 97°
Vertical: 52°
Diagonal: 116°
3.6 mm:
Horizontal: 76°
Vertical: 42°
Diagonal: 90°

Iris Type

Fixed

Close Focus Distance

2.8 mm: 0.8 m (2.6 ft)
3.6 mm: 1.4 m (4.6 ft)

DORI Distance

Lens

Detect

Observe

Recognize

Identify

2.8mm

56 m

(183.7 ft)

22.4 m

(73.5 ft)

11.2 m

(36.7 ft)

5.6 m

(18.4 ft)

3.6mm

80 m

(262.5 ft)

30m

(105.0 ft)

16m

(52.5 ft)

8m

(26.2 ft)

Video

Video Compression

H.265; H.264; H.264H; H.264B; MJPEG

Smart Codec

H.264: Yes
H.265: Yes

Video Frame Rate

50 Hz
Main stream (2560 × 1440 @20 fps), sub stream (640 × 480 @20 fps)
Main stream (2304 × 1296 @25 fps), sub stream (640 × 480 @25 fps)
60 Hz
Main stream (2560 × 1440 @20 fps), sub stream (640 × 480 @20 fps)
Main stream (2304 × 1296 @30 fps), sub stream (640 × 480 @30 fps)

Stream Capability

2 streams

Resolution

4M (2560 × 1440); 2M (2304 × 1296); 1080p (1920 × 1080); 1.3M (1280 × 960); 720p (1280 × 720); VGA (640 × 480); QVGA (320 × 240)

Bit Rate Control

CBR/VBR

Video Bit Rate

H.264: 24 kbps–8192 kbps
H.265: 9 kbps–7424 kbps

Day/Night

Auto (ICR)/Color/B/W

BLC

Yes

HLC

Yes

WDR

DWDR

White Balance

Auto/natural/street lamp/outdoor/manual/regional custom

Gain Control

Auto/Manual

Noise Reduction

3D DNR

Motion Detection

OFF/ON (4 areas, rectangular)

Region of Interest (RoI)

Yes (4 areas)

Smart Illumination

Yes

Image Rotation

0°/90°/180°/270° (Support 90°/270° with all resolution)

Mirror

Yes

Privacy Masking

4 areas

Alarm

Alarm Event

No SD card; SD card full; SD card error; network disconnection; IP conflict; illegal access; voltage detection; motion detection; video tampering

Network

Network

RJ-45 (10/100 Base-T)

Wi-Fi

Yes

SDK and API

Yes

Protocol

HTTP; TCP; ARP; RTSP; RTP; UDP; RTCP; SMTP; FTP; DHCP; DNS; IPv4/v6; QoS; NTP

Interoperability

ONVIF (Profile T/Profile S/Profile G); CGI; DMSS

User/Host

20 (Total bandwidth: 40 M)

Storage

FTP; SFTP; Micro SD card (256 G); NAS

Browser

IE: IE9, IE11 and later
Chrome: 39.0.2171.95, and later version without plug-in (62.0.3202.94)
Firefox: 43.0.1 and later version without plug-in (69.0.3)

Management Software

DMSS

Mobile Phone

IOS; Android

Certification

Certification

CE-LVD: EN62368-1
CE-EMC: Electromagnetic Compatibility Directive 2014/30/EU
CE-RED: Radio Equipment Directive 2014/53/EU
FCC: 47 CFR FCC Part 15, Subpart B
FCC ID: FCC PART 15C

Power

Power Supply

12V DC

Power Consumption

Max 5.39W (12V DC) (IR full intensity)

Environment

Operating Conditions

–30°C to +50°C (–22°F to +122°F)/Less than 95%RH

Storage Conditions

–40°C to +60°C (–40°F to +140°F)

Protection Grade

IP67

Structure

Casing

Metal

Dimensions

164.9 mm × 70 mm × 125.2 mm (6.5" × 2.8" × 4.9") (L × W × H)

Net Weight

431 g (1.0 lb)

Gross Weight

708 g (1.6 lb)

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