... 520TVL/540TVL /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,Power ... got CE, RoHS,FCC,ISO. All the products with 2 years quality warranty!8,With powful R&D ( including ... 5 PhD) and advance machines( 2 million invested in new machines per year), our products keep ...