Fangrui Product Details Dc 12v-24v Universal Auto Car Reversing Warning Siren Backup The Horn Loudness 105db, Can Issue A Warning That Can Not Be Ignored, Attract More Attention, Avoid More Accidents On The Road, Help To Warn Other Vehicles And Pedestrians, Ensure Your Safety. The Reversing Horn With Led Lights, The Red Appearance Makes Your Vehicle More Conspicuous Made Of High-quality Abs Material Easy Installation Specification: Type:backup Alarms Horns Audible Tones: Beep Water Resistant(slight Waterproof) Warn Pedestrians ,children And Animals When You Are Reversing Fit For All 12v-24v Car Colour: Red Material: Abs Package Contents: 1 X Reversing Horn With Led Light With Wire Only The Above Package Content, Other Products Are Not Included. Note: Light Shooting And Different Displays May Cause The Color Of The Item In The Picture A Little Different From The Real Thing. The Measurement Allowed Error Is +/- 1-3cm.