1.Simple door viewer manufacturer 2.door thickness 40-65mm 3.wireless,low consumption 4.1year warranty 5.CE,FCC,RoHS Wireless Peephole door viewer with 2.4 inch screen manufacturer in Guangzhou ChinaElectronic Peephole door Viewer in Onlense Co.   Electronic Peephole door 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.  door viewer  Product show  Installation Instruction of door viewer Step 1:Get out the Digital Peephole Viewer from the package. Pull out the Peephole lens. Screw off the Base Flange anticlockwise. Tear down the double side adhesive tape. Step 2: Remove the original peephole completely. Stand out the front door and insert the included peephole lens into the original door hole. Step 3:Stand out the front door, fix the Base Flange to peephole lens and tightly clockwise.  Step 4: Press the ledge against to the door.Step 5: After installation, test it by press the button to see the clear image. Well done. Change battery easily Product ParameterOEM Digital Peephole door Viewer wholesales: 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.      Certificates of door viewer