100% brand new and high qualityFeature:The radar system turns on automatically when the car engine starts.Beeping alarm prompt step bystep, closer the obstacle, more rapid the alarm sound.Double CPU for rapid response.High quality and easy to install.Specification:Type:Backup Alarms Horns Color: BlackAlarm Diameter:22mm/0.86"Alarm Height:10mm/0.39"2 Mounting Holes distance:30mm/1.18"2 Wires length:90mm/3.54"Buzzer Type: PiezoelectricSound Pressure Level 95dBRate Voltage: 12V DCOperating Voltage: 3-24VMax Current Rating 10mAFrequency 3900±500HzDrive Method: Drive Circuit Built in Mounting HolesSound:"Di" ContinuousQuantity: 1PcNote:Transition: 1cm=10mm=0.39inchPlease allow 1-2cm error due to manual measurement. pls make sure you do not mind before you bid.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!Package includes:(Without retail package)1 X 95DB Piezoelectric Buzzer Alarm