https://www.asmag.com/project/resource/index.aspx?aid=16&t=secutech-made-in-taiwan-products-and-solutions
Product Info
190DV B/W Camera

190DV B/W Camera

East Export (H.K.) Group Co., Limited
Region: China
Update: 12/25/2006
Key Specifications
Model Name: 190DV (PAL / CCIR)

** B/W Door View Camera

** 1/3" Sony CCD / 420 TV Lines

** 0.05 Lux F2.0

** Angle of View : 170

Image Device 1/3" Sony CCD

Signal System 50Hz

Effective Pixels 500(H) x 582(V)

Scanning System 2:1 Interlace

Sync. System Internal

H. Resolution More than 420 TV Lines

Sensitivity 0.05 Lux / F2.0

S/N Ratio More than 50 dB

Gamma Correction a = 0.45

Video Output Composite 1vp-p75 (?) unbalanced

Electronic Shutter 1/50 ~ 1/100,000sec Auto

Current Consumption 100 mA o r less

Power Supply DC 12V ( ∮1 0% )

Operating Temperature '' - 10?C ~ + 50? C

Storage Temperature ''- 20?C ~ + 60?C

Lens Mount Wide angled board type lens (170'')

https://www.asmag.com/project/resource/index.aspx?aid=16&t=secutech-made-in-taiwan-products-and-solutions