Intelligent Wireless Visual Electronic Doorbell, Security Protection Door System, Two-Way Alarm Clock, 4.3 Inch Color Screen

========== High concern chemical: none Intercom: No Power: Dry battery Display: colour. Feature:Photography,Video Connection type: wired Alarm: Yes Origin: Mainland China Functionality1: 4.3 inch high-definition digital display, resolution 480*272 Functionality3: 1 million professional security cameras, 145 degree wide angle Functionality4: PIR motion detection, automatic capture/video, door security protection Functionality5: Super night vision function, can monitor the situation outside the door day and night Functionality6: Doorbell function and do not disturb bell function Functionality7: Monitoring function to see people outside the house at a glance Functionality8: Built-in 4M memory, support taking pictures without TF card Functionality9: Take photos and videos, must be used with TF card, maximum support 32G Functionality10: Home Mode, Away Mode, Do Not Disturb, Optional Mode Functionality11: A variety of music ringtones can be selected and the ringtone size can be adjusted Functionality12: Built-in watch battery, battery change time data is not lost Functionality13: You can adjust the number of shots, video duration and screen length. Functionality14: 1800mAh high capacity rechargeable lithium battery power supply Functionality 15: support door hole 15 to 50 mm, support door thickness 30 to 110 mm

• Equipped with a large 4.3-inch color screen, the smart doorbell provides the best visual experience. Day or night, you will be able to clearly see every detail of your visitor or package. User Opinion: "The large color display allows me to clearly see everything outside the door without worrying about missing important information!"
• With a wireless design, this smart doorbell requires no tedious wiring and you can easily install it on any door. After connecting to Wi-Fi, you can check the situation outside the door at any time through the mobile phone, conveniently, quickly and safely. User answer: "The installation is very simple, no professional tools are required, and it can be completed in a few minutes, which is very convenient!"
• With a built-in high-quality two-way voice system, you can have a real-time conversation with the person outside your door through the doorbell, no matter where you are. Even if you're not home, you can remotely instruct a courier to drop off a package or chat with friends, so you can easily cope with various situations. "I can even communicate with the courier at work and arrange the location of the package, which fixes many inconveniences," the user said.
• This doorbell uses smart touch activation technology to quickly respond to your needs. With just one touch, the screen lights up and you can easily see the outside of your door. Get information quickly without waiting. User comments: "Touch Wake is very sensitive, open the door to see a clear picture, almost without delay."
• Whether it's raining or sunny, this smart doorbell works steadily. Its excellent water resistance ensures that the equipment will function properly in all weather conditions and protect your home. User recommendation: "Even when it rains a lot, the doorbell is no problem, which gives me a great sense of security."