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Maintenance example 4: That is, a toilet, it is estimated that it is about the same!
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The technology has matured, there has been no problem with safety, is it a strong current, it is a rectified direct current, and the power is 15W, what are you afraid of?
Now the smart security door is already very secure, unlike the previous ones that had special tools that could be easily opened. And fingerprint unlocking is also very easy.
Wang Li anti-theft door anti-theft needs to be considered, with anti-theft, sound insulation and other functions, and the use of multi-lock point locking, to ensure the anti-theft ability of the anti-theft door, it is worth choosing.
Now basically use this kind of lock, the security is very good, now use a lot, there are a lot of brands, better such as Moli fingerprint lock, the market is very popular.
Environmental protection and safety can be used by children, so that children can grow up healthy and happy.
Use punching + install explosive bolts + hook + ceiling fan, connect to the power supply, 0k