Safe for use in outdoor, cars, trucks, RV, solar, boats, wind dynamo, home etc. Specification: Rate voltage: 600V Maximum operating current: 95A Contact resistance: ≤0.5MΩ Cable length: 2FT Input cable specification: 4AWG Operating temperature: -40°F to 392°F (-40°C to 200°C) Cable material: Tin plated copper Heavy duty lugs: 3/8"(SC25-10) Tin plated copper Package includes: 1 x Black 4 AWG Battery Cable 1 x Red 4 AWG Battery Cable