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Laierkang Electrical Equipment Firm 15yr.
Contacts:Gong Yunxian Chat
Mobile:86-15267395396
E-mail:2433302865@qq.com
32 kinds of ring tones of the battery direct current doorbell
Suitable for home, office, store, etc
Host has 32 ringtones (29 music and 3 languages) to choose from; Or 36 ringtones (29 music and 7 languages) to choose from.
Button USES 1x12V 23A battery (supplied by manufacturer).
Open space effective distance 150 meters.
Easy to install, no wires required.
Flash can be added to the main engine, suitable for the use of visual and audio impairment.
Low power consumption.
The CE certificate.
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