MagiDeal 300M Range Wireless Doorbell Door Chime Button Bell with Voice Intercom
Suitable for both household and industrial use. Adjustable voice volume and changeable ring type, reminding you the coming of your guests by lovely songs. Big and adjustable speaker, clear voice, can be used as mobile interphone.
All day long anti-interference system, avoid interferences outside or between neighbors.
Simple and easy wireless installation with 3M adhesive tape, save troubles and money.