Operate off of 12V external power supply (machine battery/charging system) Feature digital numerical readout, as well as a bar graph display Waterproof, rugged design Easy-to-read, clear vivid display Large buttons make changing functions easy, even when wearing gloves Feature a convenient clock Internal memory records peak readout Temperature gauge updates data every second, with a range display of 32-356?F (0-180?C) Gauge body measures 78mm L x 40mm W x 20mm H. TEMP GAUGE 12V W/LED
