Meet the J31 Wireless Video Doorbell, a smart front-door upgrade designed to help you see who’s outside, respond instantly, and feel safer at home. The moment someone rings the bell (or triggers motion), you get a notification on your phone, so you’re always aware of what’s happening at your entrance—whether you’re inside the house, at work, or away.
With real-time video and two-way audio, you can speak to visitors directly from your phone—great for receiving deliveries, confirming guests, or warning off unwanted visitors. The doorbell also features a PIR motion sensor that helps detect human movement and send alerts, giving you an extra layer of protection even before someone presses the button.
At night or in low-light conditions, the built-in IR night vision helps keep the view clear so you don’t lose visibility after dark. The wide-angle lens (up to 166°) captures more of your doorway area, helping you see more detail around the entrance.
Installation is simple and flexible, and the unit is battery powered, so you can set it up without complicated wiring in many cases. It’s a clean, modern solution for homes, apartments, offices, and shortlets that need reliable door monitoring.
Size (from the image)
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Height: 14.4 cm (5.65 in)
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Width: 7.4 cm (2.93 in)
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Thickness: 3.2 cm (1.28 in)
Device Parts
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PIR Sensor
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HD Camera Lens
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IR LED (Night Vision)
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Microphone
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Speaker
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Doorbell Button + Indicator Light
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