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Anonymous users2024-01-24Parameter setting error, wrong or broken line connection, equipment failure may be, I believe you should be a parameter problem.
How to enter the door: password or credit card.
In your case, the property has changed or canceled the password and forced the owner to pay the fee. >>>More
It shouldn't be a big problem, but it should be changed according to the voltage and current of your system, otherwise it is easy to cause the system to be mismatched and unstable, and the battery power loss is too fast and too large, which is easy to fail, so think twice.
Dimensions are required to quote... Where are you?
This is the power bureau or the relevant pattern personnel to maintain it regularly, if you buy it for the tenants, there are still three guarantees.
Change it, the current digital mode, and the previous analog equipment is not matched, and the equipment is not expensive, you can refer to the wiring to choose a new device, so that the wire can be saved. >>>More