How long is the warranty of the starting point three-in-one sensor?

The starting point three-in-one sensor is guaranteed for one year. According to relevant information, the warranty period of the sensor is one year and it can be used for a long time. Kaidian three-in-one sensor belongs to the sensor, and the warranty period is also one year. The sensor is used for daily necessities, touching elevator buttons and lights dimmed or brightened by touching the base.