Key features

• •🔔 【Instant Door Open Alert】 Never miss important moments! This wireless door chime instantly alerts you when a door or window opens. Perfect for families with kids, elderly, or dementia patients. Get notified if they try to go out alone—your reliable door chime when door opens solution
• •🏪 【Smart Business Entry Alert】 Enhance security and create a welcoming atmosphere in your shop, office, or café. This door sensor chime notifies you of customer entry, ensuring you never miss a visitor. Ideal for retail stores, supermarkets, and commercial spaces
• •🌈 【Visual RGB Lighting & Silent Mode 】 This door ringer alert features RGB flashing lights, providing a clear visual door chime notification when a door opens—especially helpful for hearing-impaired individuals. Need a quiet option? Activate Silent Mode, perfect for nighttime or noise-sensitive environments, ensuring it won't disturb sleeping babies
• •🎵【 61 Melodies & Adjustable Volume】 Personalize your experience with 61 unique ringtones, ranging from classic door chimes to modern tunes. There are five volume levels(0-120dB): mute, low, medium, high, and extra-high. Short press the volume button to switch and cycle through them.The loud 120dB door open alarm deters intruders, keeping your family safe. Memory function retains your preferred melody and volume after power outages
• •📡 【1000ft Long-Range Coverage & Expandable System】 Experience a strong, stable signal up to 1000ft, suitable for large homes or multi-story buildings. Each receiver pairs with up to 20 magnetic door sensors, providing comprehensive door open alarm coverage across multiple entry points
• •🔧 【Quick & Easy Installation】 Install in minutes! The pre-paired wireless door sensor chime and receiver make setup simple. Just plug in the receiver and attach the sensor using adhesive tape or screws. (Tip: Align the two parts correctly following the arrows, keeping a distance of less than 0.78 inches.)