1, portable cctv test monitor. 2, Durable metal material. 3,3D Full Screen. 4,Perfect ... effects. 5,Saving Energy,super- 37 inch Full HD portable cctv test monitor(MJ-370)1,Manufacturer’s CommitmentWe are the original manufacturer ... you the fastest response. 2,Specifications: Product modelMJ-420Brands of LCD screenSamsung, LG/Philip, AU.A Class 335 standardFront Panel ControlChannel ...