Day or night this tire pressure gauge will always give you instant and accurate measurements that are never hard to read thanks to the large digital numbers and the LCD blue backlight. Equipped with 4 ranges merely hook the gauge on your tire nozzle and with a press of a button you will be able to immediately check your tire pressure in any unit you desire. IMPORTANT: Avoid buying counterfeit products and transacting with unauthorized sellers. Look for our logo on the packaging for every one of our products. Stalwart is committed to providing the consumer with the absolute best price and value on all our products which we ensure by applying a rigorous Quality Control process. Stalwart is a registered trademark protected by U.S. Trademark law and will be vigorously defended.