Use this for a horn button. The switch only works when your finger is on the button. There is no LED because with your finger on the button you wouldn't be able to see it.
Vibration, shock, thermoshock, moisture and salt spray resistant
Specially manufactured for mounting in Blue Sea Systems' water resistant panels
Ignition Protected - Safe for installation aboard gasoline powered boats
Meets UL1500 and ISO8846 ignition protection requirements