140003-ONDO AC wireless doorbell plug-in system, with battery-free button, operation range up to 200m. -ORN
Wireless doorbell with battery-free doorbell button is designed for homes, apartments, offices, hospitals, shops, etc. It does not require a cable connection. It provides sound and visual signals. The receiver (doorbell) is plugged directly into a ~230V socket and the transmitter is powered by the electromechanical transducer - battery is not required. The learning system is used to easily log in additional buttons. The range in the open area is 200m. The receiver has a 4-step volume adjustment and 36 polyphonic ringtones to choose from.