I can't understand the voice of the device, how can I switch the language of the device's voice? Can the device's voice be turned off?
My device used to have a battery usage feature, but I can't find it now.
Why doesn't the water heater produce hot water immediately after turning on the faucet?
Will the smart water heater work without Wi-Fi?
Why the water output of the water heater is too small?
Why there is some water in my new water heater?
How to choose an Appropriate gas water heater?
What are the smart aspects of a smart water heater?
How to set the temperature of the water heater and what's degrees is Appropriate?
What should I do if the remaining power display is incorrect after the device is successfully added?
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