Polk Marine Non-Displayed Wired Remote Control 2" diameter mouting holeSpin-on mounting clampBlack face, chrome bezelBlue backlight illuminationMeets ASTM B117 (salt/fog exposure)Meets ASTM D4329 (UV exposure)Meets IPX6 (water ingress protectionWARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.