Wang Li and Buyang have their own advantages, but their safety performance is better than Wang Li's. Wang Li's door is installed in my house, and Buyang's door is installed opposite me. I remember last year, our whole building was visited by thieves. Only a few households were equipped with Wang Lite's, which can be locked with signs of consumption, but none of them were stolen, and the one opposite me was stolen. When I first bought it, the salesman said, "No need to lock it, I'm not afraid of stealing."

Further reading: How to buy insurance, which is good, and teach you how to avoid these "pits" of insurance.