The switch timer has a built-in industrial-grade chip with high precision, strong anti-interference ability and relatively long service life. This relay can be used for industrial equipment, lighting control, heating element control, motor control, fan control, etc. It is a practical choice for home or commercial use. It is durable and built to last. It is easy to install and can help you save time. This timer provides precise and reliable time control for accurate operation. Note: The data are all measured manually, please allow 1-3cm error due to differences in light and display, there may be some color differences, please refer to the actual item received.