Peephole Camera 4.3 Inch HD Display 145 Degree Wide Angle Colorful IR Motion Detection 1MP Door Viewer Camera Item Type: Peephole Camera Material: Zine Alloy, ABS Screen: 4.3 Inch HD Display Screen Battery: 1800mAh Polymer Lithium Battery (Included) Camera: CMOS 1MP, Supports Up to 1280 x 720P, Displays, Records Outdoor Scenes Auto Screen Off Time: 15s Memory Card Expandable: Supports expandable Memory Card, maximum support 32G (not included) Supports taking photos without inserting a card, can be used in hotels to guard visitor privacy better, insert memory card can manually take photos, apply at home to record and store queries. Automatically overwrite, intelligent recognition. After the Memory Card memory is full, new photos will be automatically overwritten in chronological order, no need to delete regularly, automatically save the latest photos Output Format: JPG Supports Door Hole Diameter: Approx. 15-22mm/0.6-0.9in Supports Door Thickness: 30-10mm/1.2-4.3in Power Supply: Can be directly powered by 5V2A power supply In standby mode, short press the menu key to enter monitoring mode. In monitoring mode, short press the menu key to take a photo of the current image, long press the menu key to enter the photo viewing mode. In photo viewing mode, short press to browse the another photo, long press the menu key to exit the photo viewing mode. The machine will automatically shut down in about 15 seconds without any operation, and there is no manual shutdown function. Gross Weight: Approx. 356g / 12.5oz