Jensen® JWR200 Waterproof Wired Remote for JMS Series Marine Stereos.
Totally waterproof, and it includes 18' extension cable for easy mounting anywhere on your boat. Full digital display and large, easy to see, blue backlit buttons. Displays stereo functions on a sunlight readable LCD display. Mounts in 2 3/ 4 " hole.
for JMS Series Marine Stereos