Features: 【2.4G Video Doorbell】No need to use WiFi signal, which makes it safer and prevents potential hacker attacks. Thanks to the advanced 2.4G dedicated protocol, you can use it with confidence. When visitors press the doorbell, the doorbell will push notification to the mobile phone, which provides you with real-time clear two-way audio calls, and you can check the door situation at any time. The 2.4GHz Wi-Fi range of Video Doorbell is up to 20m，The visual doorbell will guard your home day and night and keep your family safe. .
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