Features: 1.Enhanced Night Vision: Equipped with a powerful night vision feature, 1080P HD delivers clear images even in complete darkness. with no light, heat, exposure, or captures, you can feel safe and secure. 2.4.5in Display: The 4.5 inch high definition display screen offers crystal clear visuals. Its modern angular design and 4x zoom feature allow for infinite focusing, providing you with full control and convenience. 3.Smart Sensor: Utilizing advanced digital algorithms, the built in body detection sensor automatically captures images of any person approaching your door. 4.High Durability: The sensor's large and thick 304 stainless steel hanging plate can support gates with a thickness of up to 40mm. Built in 3800mAh rechargeable lithium battery, providing an extended lifespan. 5.12 Language Options: The digital door viewer peephole supports 12 different languages, including English, Chinese, Russian, French, Italian, German, Japanese, Korean, Czech, Turkish, Arabic, and Spanish. specification:Item Type: Digital Door Viewer Peephole Material: Plastic + Electronics Model: A8 Screen Size: 4.5 inches Pixels: 2MP Viewing Angle: 135 degrees Memory Card Slot: Up to 32G memory expansion (not included) Automatic Loop Overlay: Supported Color Night Vision: Support (color/black and white night vision optional) Human Body Sensing Function: Support Automatic Capturing: Supported Sound Recording: Supported Screen Playback Video Photo: Supported Mobile Remote Viewing: Not supported Battery Type: Built in 3800mAh lithium battery (included) PackageList:1 x Indoor Host 1 x Outdoor Camera 6 x Screw 1 x Stainless Steel Hanging Plate 1 x Charging Cable 1 x User Manual