12V Electronic Horn with White GrillMarinco is the leading supplier of horns to the marine industry, with over fifty years of experience in designing and manufacturing sound devices specifically for use in harsh marine environments. Stainless steel is used for all critical components such as trumpets, motor cover, diaphragms, assembly and mounting hardware.Features:. Electronic Piezo horn sound. One piece water resistant housing, grill is molded to horn. 107 dB(A) at one meter. Fundamental frequency: 550 +/- 100Hz. Mounts in a standard 2.25" opening. Draws less than one amp, maximum draw: 0.8 amp. Internal space requirements: 2.25" W x 2.25" H x 0.5" D. Grill dimensions: 4.875" W x 2.75" H x 0.5" D. Stainless steel grill cover (#11185) sold separately