We are ROSIM based in Zhongshan, China. We are member of TradeKey.com since May, 2013. Our business is related to Transportation industry and we specifically deal in wireless vehicle detection system, traffic vehicle sensor, parking space detector. Please find our product details below: Traffic and praking lot wireless vehicle detector sensor This wireless vehicle detection sensor is based on magnetic detection and wireless sensor networks, designed for pursuit of high efficiency, easy installation and low cost ITS traffic systems. Parking lot wireless parking space detector This wireless parking space detector integrates two detection technology in a small unit, provides a high accuracy, easy installing and low cost parking lot information collecting solution. Thank you for taking time to go through our business profile. If there are any questions, inquiries or comments, please feel free to contact us.