Smoke Detector Camera Sony/SHARP Color/ BW CCD(optional) 550/480/420 TV lines(optional) 3.6/2.5/2.8mm board lens(optional) Suitable for Concealed place Number of Pixels 420TV Lines:NTSC:510(H)x492(V); PAL:500(H)x582(V) 480TV Lines:NTSC:768(H)x494(V); PAL:752(H)x582(V) 550TV Lines:NTSC:811(H)x508(V); PAL:795(H)x596(V) Scanning System NTSC:525 Lines,60 Field/sec, PAL:625 Lines 50 Field/sec Sync System Internal Synchronization Gamma Characterlstic 0.45 S/N Ratio more than 48dB(AGC Off) Electronic Shutter Time NTSC 1/60~1/100,000Sec,PAL 1/50~1/100,000Sec; Minimum Illumination depend on the Model No. Lens default Lens: 3.6mm/F2.0 2.1 / 2.5 / 4.0 / 6.0 / 8.0 mm(optional) Video Output 1.0Vp-p 75 ohm Gain Control(AGC) Auto Operation Temperature -10C~ +50C RH95% MAX Storage Temperature -20C~ +60C RH95% MAX Power Supply 12V+_10%DC,100mA Dimension ?120mm Case white