DIGITAL TYRE PRESSURE: The Amtech V1380 Digital Air Compressor has various tyre pressure presets, including PSI, BAR, KPA and KG/CM2. 4 FUNCTION DIAL: This convenient and portable air compressor has 4 dial functions, including off, light, red flashing, and an SOS feature for emergencies. LED DIGITAL GAUGE: The 12V tyre inflator also benefits from an easy-to-read illuminated LED digital gauge. RANGE & ACCURACY: The unit has an accurate pressure range of 1-115 PSI VERSATILE ACCESSORIES: Included accessories are a ball inflator, as well as a pillow and air bed inflator for extra versatility. 3-YEAR GUARANTEE: This product has a 3-year replacement warranty subject to proof of purchase.