Feature 1Powerful Buzzer: Our siren can emit a powerful buzzer of 112dB (3dB). When you back up, no one will ignore this buzzer. 2High Quality Materials: The alarm is made of high quality materials to ensure durability and service life, and can work in various temperature environments. 3Easy to Install: The alarm is very easy to install, you only need to connect the wire from the positive screw terminal to the reversing light power cord or the reversing switch installed on the dashboard, and then connect the wire to the ground (negative). 4Dust Moisture Proof Alarm: The alarm enhances the sound and protects the speaker, which can prevent dust, humidity and all weather use. 5Application: This backup alarm is designed for 1280 volt DC vehicles and will automatically adjust to the voltage range of 1280 volt vehicles, including trucks, cars, and SUV.Item Type: CarBackupAlarmSize: Approx. 104(L) x 42(W) x 70(H)mm / 4.1 x 1.7 x 2.8inWorking Voltage: DC 12V-80VWorking Current: 1.0ASound Level: 112dB3Power: 15WOperating Air Pressure: 0.5Mpa-1.0MpaApplication: Used for 12-80 Volt DC Vehicles, including Trucks, Cars, SUV. .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x Alarm