Xiaomi is a smaller manufacturer of dashcams but a really big one in home appliances, smartphones and wearables. In 2019, Xiaomi was the fifth largest smartphone manufacturer in the world. Their big company size allows for great product development, which is clearly visible in their dashcams.
Xiaomi focusses on the budget market for dashcams. Their dashcams are usually very reasonably priced and are great in user friendliness and durability.