120-degree cat-eye electronic doorbell color door mirror 3.5-pole LCD digital doorbell infrared camera <p>Wide-angle monitoring: Designed with a 2-megabyte CMOS sensor, it achieves a true 120-degree viewing angle. The doorbell ships from California or Texas, so delivery time won't be too long! </p> <p>Easy to use: The doorbell comes with easy-to-install parts, short press to open/long press to close. The battery can be replaced without removing the main unit and peephole, 24-hour monitoring</p> <p>Larger screen and clear image: The doorbell uses a 0V industrial color image sensor and a 3.5-inch LCD color screen to ensure a clear image display. </p> <p>Dimensions: Door opening range: 14-28 mm / Door thickness range: 35-100 mm / Internal device size: approximately 120x62x20 mm / Diameter (outdoor camera): approximately 30 mm</p>