Autostar DIY microwave(77Ghz,2TX&4RX)blind spot detection is developed by home R&D team.Based on accurate algorithm,with high detection accuracy,this latest generation BSD works greatly,and no false alarm.The detection distance could reach 80m.Besides the great performance,the most outstanding feature is the easy installation method,no need to take off bumper,no need to connect power cable and left and right turning light,the power can get from cigarette lighter.