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Wireless Remote DoorBell Button:


Working PowerIncludes Button Batteries
(Already includes for your convenient using)
Wireless Frequency433MHz
Detecting Distant50m-70m
ColorBlack & Silver, Looks Tiny & Great~
Size45mm Diameter Round
(It is about the size of the Digoo M1Q lens.)
Convenient FunctionStick one near your door, when some one press it.



Wireless Remote DoorBell Button.