... traditional hard-to-see peephole image to a big, bright, clear neat image Door Viewer Camera 1. Easy one ... the POWER button to turn on the Viewer 4. The viewer will be turned off if remained idle ... 10 seconds to conserve battery. To restart the viewer simply press the POWER button again 5. Simple ... 190g Accessories: Base flange, Tightening tool, Peephole, 2 AA batteries, User manual Door Viewer Camera