B-series parking sensors are suitable for some economical customers. The guarantee of B-series is one year. In the market there also are some customers who want to buy parking sensor system with normal quality and normal price. Hen B series will be suitable for these customers. For more information, please contact with us. We are looking for a long-term cooperation with you. More Product Features HS Code: 85269110 Model: Full Models for B Series Productivity: 180000pcs per month