Features: High Definition Display: This digital doorbell Features a 2.8-inch high-definition color LCD display, providing clear and vibrant images. With a camera resolution of 0.3 megapixels, you can monitor the outside of your home directly from the indoor unit, ensuring your home"s safety. Camera Design: Designed to resemble a traditional optical peephole, this doorbell Features a camera that allows for one-click viewing. There"s no need for storage, protecting your privacy while providing a clear view of your doorstep. Wide-Angle Lens: Equipped with a 90 degrees wide-angle lens, this doorbell camera provides a broad view of your doorstep, reducing blind spots and potential security risks. You can clearly see every detail outside your door, ensuring your home"s safety. Easy to Use: Made of zinc alloy material, this doorbell is resistant to damage, effectively preventing man-made destruction. It supports door hole diameters of 14-30MM and door thicknesses of 35-110MM. With its minimalist design and easy operation, it"s a practical addition to any home. Battery Powered: This doorbell camera is powered by 4 AAA batteries (not included), offering long standby times. Please ensure that the battery is charged before use. Note: This doorbell does not support night vision and cannot connect to your phone or WiFi. Specifications: LCD Screen: 2.8inch Material: ABS plastic Resolution: 320*240 Camera: 1MP Vision Angle: 90 degrees Memory: No IRLEDS: No Battery: 1.5V, 4*AAA (Batteries not included) Temperature: -20 degrees C-55 degrees C Door Peephole: 14-28mm Door Thickness: 40-100mm Indoor Mainframe Size: 127 * 68 * 20mm/5 * 2.7 * 0.8inch Outdoor Camera Size: 32mm/1.3inch Note: 1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! 2. Please allow 1-2cm measuring deviation due to manual measurement. Package List: 1 * Indoor Mainframe 1 * Outdoor Peephole Camera 1 * Metal Hanging Plate 1 * Screw Pack 1 * Instructions