1.Simple one button digital peephole viewer 2.Fit door 40-65mm,barrel hole 12-22mm 3.Added blind in dark light 4.CE,ISO9001  Digital Peephole Viewer in Onlense Company                         Digital peephole viewer Key Features                           1) New Patented Door Peephole Viewer with 2.5 inch TFT LCD Screen2) 1.3Mega Pixels, 190 degree Super-Wide view angle Lens3) Easy one-button operation. Simply press the POWER button to turn on the Viewer4) SD Photo record (first generation not have this function)5) The viewer will be turned off if remained idle for 10 seconds to conserve battery. 6) To restart the viewer simply press the POWER button again7) Simple 3 steps DIY installation8) Power Source: 2 AA batteries9) Certificate: CE, FCC, RoHS.  Digital Peephole Viewer technical data Item: V500HR:300,000 pixelsWeight:130g.LED Screen size:2.4 TFTTFT Screen DPI:320*240Barrel diameter: 14mm.Visual angel : 60 degrees wide angelPower dissipation :600 mw Power Source: 2 AA BatteriesDoor thickness:45-60mmDimension:146*90*30mmLarge Visual angel60 degrees wide angelEasy and SafeOne-button operation, you can see a big image on the display without peephole dimmed, people outside didn’t know you are home or not.Power dissipationThe viewer will be turned off if remained idle for 15 seconds to conserve battery. Good for producing images about 2000 times. Digital Peephole Viewer pass CE Certificate   Digital Peephole Viewer makes your house, home, office more security