WAFU Wireless Remote Control Electronic Lock

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Features: *No lock hole design, it completely abandons the traditional key and lock, in the fully opened and closed by remote control, realized the real security. *Extended antenna, stronger signal, safer and more responsive. *Add USB external power source function. Make sure the lock works when battery (not included) was dead. *Two unlock modes optional: Remote control unlock indoor button unlock *Easy installation on all kind of doors, very convenient.