Number of keys: 1-4 Chip State Model: CBM6004 Detailed introduction: This case is mainly based on the superiority of our touch chip in anti-static, anti-interference and environmental adaptability, which provides a strong guarantee for customers to produce high-quality products. Customers use our chips for indoor or outdoor access control products. In terms of antistatic effect, the access control products still operate normally when the static electricity value reaches 14kv. Second, the customer's access control products are sold to different urban areas, despite the natural environment and climate There are huge differences in conditions, but the powerful environmental self-adaptive ability of the control chip makes customers praise.