Dingdong Doorbell

This doorbell generates a sound that pleasing to ear through mechanical action, tell the host who come ,hold the doorbell one time, it will send dingdong sound ,Don't hold the switch down all the time,otherwise it won't sound.

Scope : apply to hotel, guest rooms,tea rooms,boxes,family etc Voice character : soft and pleasing to the ear, persistence ,this doorbell with self -protection function under the abnormal state, which is a novel and pratical doorbell.

Scope : Study room, bed head,corridor,balcony,kitchen, bathroom,warehouse,stairs,children's room,hotel corridor etc.

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