Features Metal Housing: High Strength Alloy Peephole Camera, 2 Million Pixels, Metal Texture Body, Large Viewing 135° Wide Angle Multiple Languages: Door Viewer Peephole Camera Support 12 Languages, English, Chinese, Russian, French, Italian, German, Japanese, Korean, Czech, Turkish, Arabic, Spanish With Hanging Plate: The Video Door Viewer Peephole Camera Features A Large, Ultra Thick 304 Stainless Steel Hanging Plate That Can Support up To 40mm Gating Technical Parameters: Peephole Door Viewer Has A 4.5in Color Display with A Display Resolution of 480x854, A 2mp Camera And A 1080p Camera Power Supply And Storage: Built in Lithium Battery, Capacity 3800mah, Can Be Used for A Long Time, Support Memory Card Storage(Not Include) Specification: Item Type: Door Viewer Peephole Camera Display: 4.5in color display Display Resolution: 480x854 Power Supply: Built in lithium battery capacity 3800mah Camera Pixel: 2MP Camera Pixel: 1080P Support Door Thickness: Approx. 35 ~ 105mm / 1.38 ~ 4.13in Large Viewing Angle Wide Angle: 135° Storage: Memory card storage(not include) Support 12 Languages: English, Chinese, Russian, French, Italian, German, Japanese, Korean, Czech, Turkish, Arabic, Spanish Package List: 1 x Peephole 1 x Display 6 x Screw 1 x USB Cable 1 x User Manual 1 x Mounting Bracket Note: Before installation, insert a memory card(not included)(high speed card of more than 8G), 16G or 32G is recommended, and the storage and read speed is not less than C10, that is, the storage speed is not less than 10M per second. Package List 1 x Peephole 1 x Display 6 x Screw 1 x USB Cable 1 x User Manual 1 x Mounting Bracket