Material ( Cable&Adapter): ABS,Aluminum AlloyPackage weight: 0.873 kgPackage Size(L x W x H): 26.00 x 18.50 x 6.50 cm / 10.24 x 7.28 x 2.56 inches Main Feature:8 sensor system, double CPU and advanced chip for enhanced coverage and detection ( 0.3m - 1.5m )The closer the obstacles, the louder and faster the sound alertPrevent from corner colliding and impacting with special design which is easy operatingThe appearance of sensor and body of vehicle is a perfect match, just like original binding accessoriesHumanity design and English voice notification for distance of obstacleOperating voltage: DC12V + / - 2VDetective range: Front: 0.3 - 0.8m, back: 0.3 - 2.0mOperating temperature: -20 - 70 Deg.COperating electric current: 200mA + / - 50mA