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The followings are some frequently asked questions. We analyzed the possible causes and listed them below. As part of our continuous support to our customers and dealers, we would like to hear from you.
If you have questions, please send them to : besyo@vip.163.com and we will answer them and put them on the web. |
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Email us now at besyo@vip.163.com |
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1.Electronic siren
newest electronic siren