1111MicrosoftInternetExplorer402DocumentNotSpecified7 8 磅Normal0Specifications Camera HD cameraMicrophone Captures sound for videoPhotosensitive Light Identifies ambient brightness and controls infrared lightInfrared Light Night vision fill lightPower Supply Type C 5V 1AScreen 4 3 inch IPS displayBattery Built in 1000mAh lithium battery Standby for 180 daysStorage TF card slot supports up to 128GB TF card not included Connectivity Wireless transmissionInstallation Adhesive backing or screw mounting Features 1 High Definition Wide Angle Camera This visual doorbell comes equipped with an HD camera that provides a detailed and wide angle view of your doorway ensuring you see more of what s happening outside With precise image clarity it s perfect for monitoring visitors at any time of the day 2 Infrared Night Vision The built in infrared night vision technology allows the camera to capture clear video and images even in low light conditions This feature ensures optimal surveillance around the clock providing enhanced security during nighttime 3 Long Battery Life Emphasizing convenience this doorbell is powered by a 1000mAh high capacity lithium battery that offers up to 180 days of standby time This extended battery life reduces the need for frequent charging ensuring consistent operation over prolonged periods 4 User Friendly Installation Options Featuring two flexible installation methods this doorbell can be easily mounted using Adhesive backing for no