Model

AHD-250B

Video Compression Format

H.264

Video System

NTSC / PAL

GUI OSD

YES

Video Input

4CH BNC input(composite video signal 1Vp-p 75Ω BNC)

Video Output

1CH VGA/1CH HDMI/1CH BNC

Audio Input/Output

1CH audio input,1CH audio output(RCA)

Maximum Recording Rate

720P:1280×720 pixels with 30FPS <NTSC> /1280×720 pixels with 25FPS <PAL>

Image Quality Setting

Supper Best,Well,Good,Medium,Normal and Bad

Hard Disk Storage

Support 1 SATA HDD

Alarm Input/Output

NO

Multiplex Operation

Live display/record/playback/backup/network transmit

Recording Mode

Manual/Timer/Motion/Alarm

Playback Mode

Multiple slow and rapid play speeds,manual and single-frame play modes,and support of drag the sliding bar to set.

Backup Device

USB flash drive,USB hard disk and network backup

Pre-alarm Recording

Recording for 10 seconds before alarming

Network Protocol

TCP/IP/PPPOE /DDNS and NTP

Ethernet remote view

Support remote surveillance up to 10 users simultaneously

CMS software

YES

Mobilephone View

YES

Electronic zoom

YES

VGA Interface

YES

Log record function

YES

Image Tour

YES

IR Remote control

YES

Video Loss Detection

YES

Video Adjustable

Hue /Saturation /Contrast /Brightness adjust

PTZ Control

YES

USB Mouse

YES

Power Source

12V/2A

Key Lock(Password Protection)

YES

Power-down recovery function

YES

Size(mm)

250*235*45

Pick up device

DEFEWAY AHD CMOS : 720P 1.0 Mega

Resolution

1280(H) x 720(V) @ 30FPS

Lens Type

Board Lens 3.6mm / F1.8

Synchronization

Internal

Scanning System

2:1 Interlace

S/N Ratio

More than 55 dB(AGC OFF)

Electronic Shutter

Auto/1/60 (1/50) ~1/100,000 sec.

Min. Illumination

0.04 Lux (F2.0, AGC ON)

Video Output

AHD 

IR Cut

Yes

IR Distance

30M

Video Output

1.0 Vp-p / 75 ohm composite

Power Source

DC12V±10% / 1A

Operating Temperature

-10°C ~ 50°C 

Storage Temperature

-20°C ~ 70°C 

Weatherproof

IP66