ERCC1B With LED screen displaying distance. With voice reading distance. Detecting Range: 0.3~2M Detecting Angle: H >60℃， V>℃ Power: 3.6W Microphone Sensitivity: -60db Speaker Power: 8Ω0.5W   Package Details Weight: 574.59 g Size: 26*19*6.5 cm Package Includes * Radar Parking Sensor * User Manual * Cable