Universal DC 12V-24V Auto Car Reverse Warning Siren Backup The sound of 105db, can issue a warning that cannot be ignored, attract more attention, avoid more accidents on the road, help to warn other vehicles and pedestrians, ensure your safety. The reversing alarm with LED lights, red appearance makes your vehicle more visible Made of high quality ABS material Easy installation Specification: Type: Backup Alarms Horns Sound Tones: Waterproof (Slightly Waterproof) Warn pedestrians, children and pets when you are reversing Suitable for all 12V-24V Car Color: Red Material: ABS Package Contents: 4 x Reversing Lights with LED Light with Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in a little different from the real thing. The measurement allowed error is +/- 1-3 cm.