The AME International Dura-Flate handheld digital tire inflator measures, inflates, and deflates tire with advanced precision. Powered by two AAA batteries, the Dura-Flate provides 80 hours of battery life, according to the company. The backlit LCD screen with an auto-off function to preserve battery life makes the Dura-Flate well suited for all fleet service trucks and tire shops. It is sold with an official calibration certificate.