• DC outlet to power 12 Volt accessories; • Voltmeter feature: models #JNC660 & #JNC1224; • Dual USB outlets feature: model #JNC770R (2.1 A and 1.1 A); • 1 year limited warranty; •Peak Amps 12Volt3400A, 24Volt 1700A; •Cranking Amps12Volt 850A, 24Volt 425A; • Cable Length: 46"; • Cable Gauge #2