1, portable cctv test monitor. 2, Durable metal material. 3,3D Full ... Visual effects. 5,Saving Energy,super- 37 inch Full HD portable cctv test monitor(MJ-370)1,Manufacturer’s CommitmentWe are ... ControlChannel Switch/ Menu/ Volume/ Power SwitchOSD MenuContrast, Brightness, Auto-Configure, Clock, Phase, H & V-Position, Language selectionPower adapterAC Input 100V-240V ...