Vibration, shock, moisture and salt spray resistant. Ignition protected, safe for use on gas powered boats. Mounts in Blue Sea Waterproof panels. LED light indicates when circuit is on. 20 Amps @ 12VDC, 15A @ 24VDC. Meets UL 1500 and ISO 8846 external ignition protection requirements. On in parenthesis (On) indicates a momentary position. Specifications: Amperage Max. Operating: 20A @ 12V DC, 15A @ 24V DC. Amperage Operating Current: 18 Milliamps. Lighted: LED rated 100,000 hours half-life. Seals: Internal and external gasket panel seal. Temperature Rating: -40-Degree C to 85-Degree C. Product quality is managed in a manner consistent with international standards. Quality products engineered for the harsh marine environment.