Lightening fast, 1 second initial results. 125-1400 CCA range. Temperature and low range compensation. Detects and identifies loose leads. Detects bad cells. Surface charge warning. Analyze starting/charging systems. Measures multiple international units: CCA, IEC, DIN, BCI, and EN. 4 digit LED display shows good/bad status, available CCA's and voltage. 3 year warranty.