Feature 1Function: The reversing alarm can alert the vehicle driver of the situation behind the vehicle through sound and remind the driver to slow down or brake in time. 2Safe Driving: Effectively avoid car accidents caused by poor vision in the blind area when backing up, and to ensure driving safety. 3Low Consumption: The reversing alarm can effectively reduce energy consumption and extend the service life, while suitable for using a variety of DC power. 4Weatherproof: Car back up alarm is covered with premium resin, which has excellent moisture proof, oil proof, temperature proof and weather proof performance. 5Easy Operation: The alarm does not require changes to the original structure of the vehicle to install, does not occupy the space inside the car, easy and fast installation.Item Type:Reverse Back Up WarningMaterial: ABS, resinModel Number: YC-315Rated Voltage: 12V - 24VWorking Current: 0.6-2APower: 30WSound Level: 1124d8Applicable Model: Suitable for truck trailer mechanical engineering vehicle .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 Reverse Back Up Warning