Wireless Doorbell with 4 Receivers 2 Buttons, Waterproof Door bell Chime | Operating at 1300-ft Range 58 Melodies 5 Volume Levels & LED Flash, Doorbell Alarm Kits for Home/Classroom/Office/Room

Long Wireless
Range Doorbell System: This wireless doorbell system employs high-frequency electronic technology to maintain a stable connection to your indoor chime. The range reaches over 1, 300ft (400m) in open areas. The doorbell offers robust anti-interference performance and one-to-one pairing, ensuring your signal never incorrectly connects with a neighbor's unit. Waterproof Doorbell Buttons & Simple Installation: Made from premium ABS material, these doorbells have a strong IP55 waterproof rating, functioning reliably in extreme temperatures from -4°F to 140°F. For easy setup, just plug the wireless doorbell receiver into any power outlet and attach the transmitter to the wall using the supplied double-sided tape or screws. Multiple Optional Ringtones & Mute Mode: The wireless doorbell provides 58 distinct melodies and 5 levels of adjustable volume (from 0 dB to 110 dB) to suit your needs for any situation. A bright LED flash delivers a clear visual alert, which is particularly helpful for the elderly and hearing impaired. These door chimes also include a smart memory function, preserving your last melody and volume settings even after a power loss.
Expandable and Versatile: This doorbell set is fully expandable, enabling you to conveniently add more plug-in receivers or doorbell transmitters as your requirements change. You can set multiple receivers to play different ringtones for your front door and rear door, making it simple to identify exactly where your visitor is located. With this customizable system, you will not miss a visitor.
Complete Wireless Doorbell Kits: This ready-to-use package contains 2 remote transmitters, 4 smart doorbell receivers, double-sided mounting tape, anchors, screws, and included A23 batteries. This doorbell is excellent for large homes, apartments, offices, and classrooms. Besides the front door, it can also be placed in a child's bedroom to gently wake them in the morning or alert them when it is time for dinner