1. 110dB powerful sound, shock and temperature resistance, firmness and durability.2. Features with high quality waterproof, don't worry about the influence of bad weather.3. Back-up reminder adds peace of mind to your vehicle, avoids dangerous situations and alerts those around you that you are backing up.4. With automatic protection function, it can be protective when you connect the wire reversely or incorrectly for long service life.5. Universal mounting bracket with oblong holes, can be mounted in many places in your vehicle. It's easy to install. Specification: tat: NewItem Type: Back Up Alarm.Material: ABSColor: As pictures shownSupply Voltage: 12-24VPower: 20 (W)Sound level: 110 (db) Current: 300 (A)Frequency: 1.4KHzMinutes cycle: 75-85 timesSound: BE-BEFunction: Reverse ReminderApplication: Suitable for Trucks, Cars, Trailers, Excavators, Forklifts, etc.Magnet: No Magnet Package List: 1 x Buzz Note: The data is manual measurement, please allow 1-138cm error, due to differences between the light and screen, there will be a certain color difference, the specific received in kind prevail.