Features: Night for vision peephole camera perfect as a home security camera or a nanny cam for recording both picture and videos. Door thickness: 35-110mm (please measure door thickness before purchase). The video doorbell camera need to 3 AAA battery to operate. Loop Recording. Supports up to 32GB capacity for loop recording(No TF card included). With TF card inserted, the doorbell camera will record picture or video automatically. Easy to Install & Connect: You can install the Doorbell Camera without using any complicated tools. Screw tools for installation are provided in the package. Intelligent Adaptive System: Home/Away/No Disturbance, you can choose optional. Various tunes for your choice.Adjustable tune volume. Specifications: Material: Zinc Alloy Size: Approx. 79x79x15mm/3.11x3.11x0.59 inches Color: Black, Gold Screen Specifications: 2.4-inch High definition display screen Maximum support 32G memory card Wide angle: 125 degrees Note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1 Piece Indoor Screen Host 1 Piece Outdoor for Cat Eye Machine 1 Piece Metal Hanging Board 1 Piece Screw Bag 1 Piece English Operation Guide