4 in 1 Smart WiFi Door Chime When Door Opens Entry Alarm for Security/Kids

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• 4 Smart Sensors + 1 Receiver – Protect Every Entry Point : This wireless doorbell kit includes 4 smart sensors and 1 plug-in receiver – secure your front door, back door, garage, and windows all at once. Assign a different chime for each sensor so you instantly know exactly which entrance was opened. Perfect for multi-entry homes or stores.
• 32 Melodies, 5 Volumes & 3 Alert Modes : Enjoy 32 built-in ringtones with 5 adjustable volume levels (silent to 110dB). Choose from 3 notification modes: melody only, LED only, or both combined. The silent flash mode is perfect for baby rooms, quiet offices, or visually-dependent users, while the maximum volume cuts through noisy parties or workshops.
• Smart WiFi – Real-Time App Alerts : Connects directly to your 2.4GHz WiFi network. Connect to the Tuya or Smart Life app and receive real-time push notifications on your phone whenever a sensor is triggered. Stay in the loop wherever you are – at work, on vacation, or running errands.
• Tool-Free Setup – Stick and Go : No wiring, no drilling, no hassle. Simply plug the receiver into a wall outlet, remove the adhesive backing, and attach each sensor to your chosen door or window frame. Includes all the pre-cut mounting tape you need – it’s fully removable with zero damage, making it apartment and renter-friendly.
• Expandable– 600ft Open-Air Range : 600ft wireless range in open areas – ideal for large homes, detached garages, and warehouses. Begins with 4 sensors, expands up to 32. Alerts you to intruders, prevents kids/elderly from wandering, and notifies when customers enter your shop. A flexible safety system for households and businesses.