Wireless Door Chime Sensor 500 FT

This wireless door chime system consists of a magnetic door sensor and a plug-in receiver. The sensor measures 2.3 × 1.2 × 0.7 inches and weighs 28 g; the receiver measures 4.7 × 2.6 × 1.4 inches and weighs 120 g. It operates on battery power (sensor: 2 × AAA, not included; receiver: AC powered via standard UK/EU outlet). The system uses 433 MHz RF transmission with a tested range of up to 500 feet in open air — sufficient to cover multi-room homes or small retail spaces. Constructed with ABS plastic housing for durability and low maintenance. The receiver offers 26 distinct chime melodies and 5 adjustable volume levels (up to 110 dB), with mute option and LED status indicators. It retains the last selected chime and volume setting after power cycling thanks to built-in memory. The magnetic sensor pairs instantly with the receiver out of the box — no setup required. Each receiver supports unlimited additional sensors, and different chimes can be assigned per sensor to identify which door or window has been opened. Ideal for home safety monitoring (e.g., toddlers leaving bedrooms or adults with dementia attempting unsupervised exit), shop entry alerts (ensuring no customer enters unnoticed), or office/warehouse access awareness. Simple peel-and-stick installation on doors or windows — no drilling, wiring or tools needed.