https://www.officematics.com/item/4000159574889.html

Feature

super-loud disk horns. Not only do these horns looks GREAT set just behind the grill, they also provide you a tone much louder than stock to announce your presence.
This is for a set of two (2)horns for 12V systems.
These horns use a standard blade connector on the back.
Rated at 118dB, these horns are nearly 7X LOUDER than a stock horn (@ 96dB)
Each horn has a diameter of 123mm (4.8"")."

Performance

12V Super Loud Grille Mount Compact Electric Blast Tone Horn Kit For universal car and moto
Voltage rating:12-24V
Working Current:≤4*2
Frequency:H=410±20 L=330±20
Sound Output:105-118
OD:φ130
Color:Red

Fitment:

Universal Fit For Most Cars, Vans, Trucks And SUVs"

Package included

1 pair air horn

Note

-We provide clear pictures, measurements where possible. Please check as much as possible to make sure the item is the one that you need.
-Please allow 0.5-1 inch difference due to manual measurement.(1inch=2.54cm).
-The color of the actual items may slightly different from the listing images due to different computer screen, thanks for your understanding.
-If there is any problem with our products, please do not leave us any negative comments, please contact us, we will do our best to help you solve the problem.

Specification:

-Color: Chrome
-Material: Stainless Steel
-Frequency: 320Hz(LowTone),430Hz(HighTone)
-Voltage: 12V
-dB:110-115dB
-Size:12*12*6cm
-Quantity: 1pair

Package includes:
1*Pair Horns

Specification:

-Material: ABS
-Colour: Blue & white
-Sound Level: 110 + 5 dB
-Voltage: 12V
-Frequency: Low 410Hz & high 510Hz

Package Includes :
2x Horns
2x Brackets and Screws
1x Controller Relay

Specification:

-Type: Car Motorcycle Electric Horn
-Quantity: 2pcs
-Color: Red
-Frequency:H=410±20 L=330±20
-Sound Output:105-118
-Voltage: DC 12V

Package Included:
2x Horns
2x Brackets and Screws