... image to a big, bright, clear neat image Door Viewer Camera 1. Easy one-button operation 2.2.5" TFT LCD ... . Simple 3 steps DIY installation Product Specifications: 1. Sensor: 2.0 Mega Pixel CMOS 2. Optical lens: View Angle 54 degrees 3 ... , Tightening tool, Peephole, 2 AA batteries, User manual Door Viewer Camera