This product is an electrostatic sensitive device, please operate in the electrostatic protection area and ensure that the tools directly contacted with the device have been grounded in standard; improper operation and use will cause permanent and irreversible damage to the product.

This product has optical interface. After testing and using, please wear dust cap.

When this product is in live-wire operation, please do not directly irradiate the light on the eyes or skin, in order to avoid burns.