Model Number

BQ-D548&BQ-D550&BQ-D552

Horizontal Resolution

BQ-D548：480TVL（enhanced）
BQ-D550：500TVL（enhanced）
BQ-D552：520TVL（enhanced）

Scanning System

NTSC：525 lines 2:1 interlace
PAL：625 lines 2:1 interlace

Scanning Frequency

NTSC：15,734Hz(H) , 60Hz(V)
PAL：15,625Hz(H) , 50Hz(V)

Effective Pixels

NTSC：768(H) x 492(V)
PAL：752(H) x 582(V)

Electronic Shutter

NTSC：1/60-100,000sec.
PAL：1/50-100,000sec

Image Device

1/3" Sony Super HAD CCD

Sensitivity

0.2Lux, 0 Lux at IR on

Signal to Noise

More than 48dB

Gain Control

AGC

White Balance

Auto ATW 2500-9500 ° K

BLC

Auto

Gamma Correction

0.45

SYNC System

Internal

Lens

Built-in 3.5-8mm vari-focal lens

Video Output

1.0 Vp-p, 75 Ohm

IR LED

36 units 850nm infrared LED

IR Distance

30meters (Subject to IR reflection conditions )

IR Status

IR on: Under 0 Lux, by PT auto control

LED life

More than 10,000 Hours

Protection Class

IP 57

Power Requirement (± 10%)

DC12V, 500mA

Power Consumption (± 10%)

IR on: 300mA, IR off: 120mA

Operation Temp.

Operating: -20 ~ + 55 °C , Storage: -30 ~ + 80 °C , Humidity:0~95%RH

Dimensions ( mm )

158(ø) x 117 (H)