Universal 300DB Loud Car Air Horn 12V Trumpet Super Train Horn for Trucks Vehicle Horn Dual-tone Electric Snail Air Horn Whistle Siren Description: brand new and high quality Features: The working current of the horn should be above 30A. The horn should be installed away from the engine. Don'for t be too low to avoid clogging with mud or other debris. Avoid car washing or flooding the speaker in rain or snow. Customers cannot disassemble or adjust the horn components by themselves. When installing two speakers, the connecting wires should be connected in parallel. Keep honking the horn for no more than 30 seconds. Specification: Product diameter: 90mm Voltage: 12V Material: Alloy + Plastic Sound level DB: 100-115 Frequency: 410HZ20 low frequency 510HZ20 high frequency Scope of application: 12V for cars, motorcycles, battery for cars, etc. Package includes: 1x Snail horn 1x Iron sheet 1x Screw