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

Hidden Camera

Catchview Electronics Co., Ltd.
Region: China
Update: 08/23/2011
Key Specifications
Model No. CV-C939 CV-C939Q

Pick up device 1/3" SONY Super HAD Interline Transfer CCD

Signal Format PAL or NTSC (Color)

Picture Elements PAL:500(H)x582(V); NTSC:510(H)x494(V) PAL:752(H)x582(V);

NTSC:768(H)x494(V)

Horizontal Resolution 420 TVL 500 TVL

Sensitivity 0.3 Lux at F=1.2

Scanning System PAL:625 TVL; NTSC:525TVL 2:1 Interlace

Synchronization Internal sync.

S/N Ratio Over 48dB (AGC off) 50dB (AGC off)

AGC/AWB/BLC Auto

Electronics Shutter Auto`

Video Output 1 Vp-p,75ΩComposite ,BNCx1

Lens Pin-hole 3.7mm lens

Power Supply Camera: 12V DC, Clock: 2pcs AA battery

Power Consumption 110mA 130mA

Dimensions 255 mm (diameter) X 41 mm ( deep)

Weight 660g

Operating temperature -10°C to +50°C

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