This product is made of stainless steel 304 and comes with ABS screw in grills with water resistant fabric liners. Grill comes in black or white colors. This waterproof fabric liners lets sound through but keeps water out. Prewired for 12v DC installation. This horn is designed for easy installation and mounts hidden from the outside. Compact in size but loud and draws 110db loudness item: P15036-12.