... /600TVL/650TVL3,style:outering zooming camera,IR waterproof camera,vandalproof camera,IP camera,650TVL camera,hidden camera,mini camera,etc.4,Scanning system:PAL/NTSC5 ... Strict record from the raw material inspection, initial inspection, in process inspection to final inspection. We have got CE, ... machines( 2 million invested in new machines per year), our products keep ahead in the market!9,We track ...