1. Scope of application: Suitable for various cars, ships, RVs, etc. 2. With plastic cover and push-lock system, easy to operate, splash-proof and dust-proof design, convenient to use. 3. Durable and corrosion-resistant. 4. Simple installation, integrated wiring, easy to control circuit safety. 5. Maximum voltage: 32V 6. Maximum current: 40A 7. Temperature control range: -32 degrees Celsius to +120 degrees Celsius