There are many, including TMC and SAGA, but each brand offers high, medium and low end. Which brand of solar power did you choose? If that's what you said above, it's low end and cheaper. it only has automatic water filling function, time display, electric heating and electric auxiliary. The one with many functions is more expensive and the quality is better in comparison, but it is better to choose the original one.
There are many, including TMC and SAGA, but each brand offers high, medium and low end. Which brand of solar energy have you chosen? If that's what you said above, it's low end. , the cheapest ones only have automatic water filling function, time display, electric heating and electric auxiliary. Those with many functions are more expensive in comparison, the quality is better, but it is prIt is easy to choose the original ones.