Autel MaxiBAS BT608 Battery Diagnostic Tool ASP Humidity: 0 95% relative Humidity: 0 95% relative humidity non condensing Enclosure: Dimensions (W x H x D) 12” x 12” x 4” Metal lockable security can (indoor use only) Compliance: Conforms to UL 294 (excludes 1DPOE) Power: 12 VDC Power readers and other door hardware using the built in bus 10A concurrent max on the bus *Power supply and battery not included Manufacturer’s Limited Warranty One to three year warranty against defects in materials accurate results without unnecessary complications 7 V Temperature Range Operating: 0–50 °C (32–122 °F) Versatile Battery & System Testing: Supports 6V and 12V batteries (100–3000 CCA) and 12V 24V cranking and charging systems