MP3 Doorbell,Wholesale MP3 Doorbell China, Custom printed MP3 Doorbell

MP3 Doorbell Description

Sorry, " Ding-Dong " - is out ! Add New Sounds Whenever You Want ! Supported sound formats: MP3, WAV, and CDA. No more fixed doorbell sounds! Users can change it anytime and as many times as they wish! Connects quickly to your existing doorbell wires running to your doorbell. Work with trigger voltage from AC/DC 4V~24V. 30 combinations of doorbell sounds to play with. Diameter 77mm 3-watt speaker with excellent sound quality. Standard length of downloaded doorbell sound is around 20~50 second. Users need a PC running Windows 98/ME/2000/XP/Vista with USB port. USB cable is included. Size: 120 (W) x 120 (H) x 55 (D) mm Power requirement: 3 x "AA" batteries.

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