Features:3.5 inch TFT screen.Automatically take photos of visitors.Monitor and don't disturb function.Wide view angle 150 degree.6 languages， that is， English， German， French， Spanish， Chinese， Dutch in menu setting.Built-in memory which can save as many as 100pcs photos， cycle replacement.Saving-power design.DIY installation.More easy， more safe to view who is outside.3pcs of AA battery， support to view outside for more than 1200 times. (AA Battery is excluded)Specifications:Function: Audio intercom， memory， monitorPower:DC 4.5VColor: BlackConnection type: 4-core cableViewing angle: 150°Screen: 3.5 Inch LCD screenSensor: 0.3 mega pixel high resolutionNo-disturb function: SupportTime setting: SupportPeephole barrel (diameter): 12 ~ 30mm / 0.5 ~ 1.2inFit door thickness: 35 ~ 90mm / 1.4 ~ 3.5inDoorbell function: SupportPower: 3 * AA Batteries (not included)Languages: English / German / French / Spanish / Dutch / ChineseOutdoor camera diameter: 6cm / 2.4inOutdoor camera weight: 30g / 1.1ozIndoor monitor size: 15.5 * 10.5 * 3.2cm / 6.1 * 4.1 * 1.3inIndoor monitor weight: 160g / 5.6ozPackage weight: 330g / 11.8ozPackage size: 19 * 14 * 11cm / 7.5 * 5.5 * 4.3inPackage List:1 * Indoor Monitor1 * Outdoor Camera1 * Peephole Barrels1 * User's Manual (English)