The Contura II SPST Black - OFF-(ON) switch is a top - notch choice. It can withstand vibration, shock, thermoshock, moisture, and salt spray. This switch fits perfectly in Blue Sea Systems Contura Water Resistant Panels and Contura Switch Mounting Panels. Key specs include: an OFF-(ON) action, single pole/single throw design, black actuator, common use for horns or windshield wipers. It can handle a maximum amperage of 20A at 12V or 15A at 24V, with an operating current of 18mA (LED). It operates in temperatures from -40°C to 85°C. There are no embedded LEDs, but it has an LED lighting rated for 100,000 hours. It features internal and external gasket panel seals and weighs 0.09lb (0.04 kg). WARNING: This product exposes you to chemicals like di(2 - ethylhexyl)phthalate (dehp), known in California to cause cancer, birth defects or other reproductive harm. Check P65Warnings.ca.gov for more. Other details: (On)/Off action, black color, SPST throw/pole, box dimensions of 2'H x 3'W x 4'L, weight of 0.2 lbs, and UPC 632085079307.

Using this switch is easy. First, make sure it's suitable for your application, like a horn or windshield wipers. Then, install it in a Blue Sea Systems Contura Water Resistant Panel or Contura Switch Mounting Panel. Remember, it can handle different amperages depending on the voltage, so match it with your power source correctly. As for the temperature, don't use it outside the -40°C to 85°C range. There's a warning about chemicals, so be careful when handling. For maintenance, keep it clean and check the seals regularly to make sure it stays protected from moisture and other elements. If you notice any issues, like it not working properly, it might be time to check the connections or replace the switch.