China and Hong Kong Telecom Eng Co Ltd
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描述
聯絡供應商
描述
These are special designed wireless mp3 doorbells. They have MP3 or WMA playback function and come with a loud speaker. Moreover, they are suitable for users to put their favourite MP3 music as the doorbell sound and users can adjust the volume as they like.
- Power: transmitter
- Battery used
- Receiver can work alone as a mp3 player
- Receiver: AC power
- Wireless frequency
- 433.92 mhz
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