LARGE 3.5INCH COLOR DISPLAY Featuring a definition industrialgrade color image sensor, the large 3.5inch screen provides a clear and detailed view of visitors. The vibrant color display ensures you can identify visitors easily at a glance, day or night. 24HOUR DEFINITION MONITORING Designed with children and seniors in mind, this device can capture photos and videos of visitors without requiring a smartphone. Continuous 24hour monitoring with a definition color sensor offers roundtheclock security, so you never miss an important moment. EASY AND INTUITIVE OPERATION Simple controls make it quick to use. Short press to power on, long press to power off. The wideangle lens delivers a 120degree field of view, allowing you to see more of the outside area in a single frame. Enjoy resolution with low power consumption, combining extra security with reliable performance for you and your family. FAST, TOOL INSTALLATION With its ultrathin, stylish design, this unit suits virtually any door thickness. It can be installed in about three minutes without professional assistance or special tools, saving time, effort, and installation costs. Durable and modern in appearance, it enhances the look of your entryway. PRACTICAL USE SCENARIOS Ideal for monitoring who is at the door before answering, providing safety for children, seniors, or anyone living alone. Useful for recording visitors when you are away from home, ensuring you can review any activity outside your door. for apartments, houses, and offices where added security and visibility are essential. Technical Highlights: 3.5inch definition color screen Industrialgrade color image sensor 120degree wideangle lens view Continuous 24hour monitoring Low power consumption with resolution Fast, tool installation suitable for various door thicknesses