... peephole image to a big, bright, clear neat image Door Viewer Camera 1. Easy one-button operation 2.2.5" TFT ... press the POWER button to turn on the Viewer 4. The viewer will be turned off if remained idle for ... 10 seconds to conserve battery. To restart the viewer simply press the POWER button again 5. Simple 3 ... flange, Tightening tool, Peephole, 2 AA batteries, User manual Door Viewer Camera