Feature: 1. HIGH DEFINITION DISPLAY: 2.4in TFT display, 2 million pixel sensor, bring clear picture. Pay attention to detail display and color 2. HUMANIZED DESIGN: Humanized FIFO design. When the memory is full, the system will automatically overwrite the previous photos in chronological order, no need to periodically clean up the content 3. LARGE WIDE ANGLE DESIGN: The peephole camera adopts a 160 degree wide angle design, allowing you to enter the large field of view more easily. Maximize your home security 4. AUTOMATIC RECOGNITION: The host adopts DSP video recognition, and the infrared night viewing mode is activated when the ambient light is lower than 0.2LUX 5. EXCELLENT SAFETY PROTECTION: When you spot suspicious people outside, you can take photos or videos of what's going on outside the door Specification: Item Type: Home Video Doorbell Model: W5 Material: Zinc alloy, ABS Screen Size: 2.4in Screen Resolution: 640x480 Camera: 2 MP Viewing Angle: 160° Infrared Light: 4Pcs 850nm Storage Method: Micro memory card (support up to 32GB) Suitable For Door Hole Diameter: Approx. 14 ~ 50mm / 0.55 ~ 1.97in Suitable For Door Thickness: Approx. 35 ~ 110mm / 1.38 ~ 4.33in Languages: Chinese, English, French, German, Spanish, Portuguese, Italian, Russian, Hebrew, etc. Battery Type: 3 x AAA alkaline battery(not included). Package List: 1 x Indoor Unit1 x Outdoor Unit1 x Metal Bracket6 x Screw1 x User Manual