... viewer, electronic door viewer DIY product easy installation, easy operation international standard Digital peephole, door viewer, digital door viewer, ... DIY, easy installation, easy operation Door viewer peephole Door Device: Surface Mounted 2.8" TFT ... Angle: 65 degrees Illuminance: 4 pcs of LED white lights Dimension:64x64x16 mm(LxWxT) Working temperature: -10°C~55 ...