1. Clarify the purchasing needs, that is, the product's functions, material requirements, etc.

2. Pay attention to the comprehensive performance of the product itself, that is, electronic control technology, product durability, reliability, stability, etc.

3. Pay attention to the appearance design of the product and whether it is integrated with the design style and culture of the building.

4. Choose a manufacturer with a long brand history, credibility and ability.

5. Pay attention to the manufacturer's after-sales service capabilities.

6. Price is not the only evaluation criterion for whether you can choose a special technical clock product with excellent quality. Products with a higher cost performance are a better choice for you.