4 in 1 Door Chime When Door Opens Alarm Sensor for Kids Home and Business

[4 Sensors + 1 Receiver – Full Coverage] This wireless door chime comes with 4 door sensors and 1 plug-in receiver – cover front door, back door, garage, and windows simultaneously. Assign a unique chime to each sensor so you instantly know which entry point was opened. Suitable for homes with multiple entry points.
[58 Chimes + 5 Volume Levels + Silent LED Mode] Choose from 58 built-in melodies with 5 adjustable volume levels (up to 110dB). Switch to silent mode with LED flash – works well for nurseries, offices, or hearing‑impaired users. Functions as a door open chime or door alerts when opened system.
[Plug & Play Setup – Pre‑Paired Out of Box] No wiring, no tools, no electrician needed. This door alarm sensor comes pre‑paired – simply plug in the receiver, peel the adhesive tape, and stick sensors onto any door or window frame. Use it as a door open alarm for home or motion sensor door chime for business.