Brand N/A Quantity 1 piece(s) Function Parking sensor radar CPU N/A Detecting Distance 50~70cm Sensor Color No Sensor Qty. 1 Sensor Diameter N/A cm Monitor Type LCD Monitor Size 1.5 inch Working Voltage 12V Rated Current 50 mA Ultrasonic Frequency No KHz Alarm Volume >=80 dB Working Temperature 20~70'C Other Features Sensor bar length: 2.25m; Wide: 1.6cm; Stable and safe high sensitivity; Hidden induction antenna can be installed on to car bumper; The buzzer will beep when approaching car the digital indicator will display green firstly then green + yellow light at last display green + yellow + red alarm. Packing List 1 x Sensor bar 1 x Display device (Cable length: 490cm + 145cm) 1 x Receive device (50cm-cable) 1 x Buckle 2 x Cable ties 2 x Dual-adhesive tapes 1 x English user manual