1, lcd cctv monitor. 2, Durable metal material. 3,3D Full Screen. 4,Perfect Visual effects. 5,Saving Energy,super-thin. 42 inch HD-SDI LCD CCTV Monitors(MJ-420)1,Manufacturer’s CommitmentWe are the original manufacturer , according to the needs of our customers to design products, all products have patent numbers. Please tell us your special requirements, specifications, size, color, functions, ...