Airchecker Digital Air Gauge features "real time" pressure readings to 1/10 of a PSI. This amazing feature allows you bleed air off your tire with the Airchecker's bleed button and know immediately the new pressure. Airchecker reads accurately to very low pressures. Swivel head. Backlit display. Reads in Bar & PSI This compact, convenient bicycle tool can be used to quickly and accurately measure tire pressure, and release excess air if needed. A large, backlit digital display shows pressure in both bar and PSI formats, while the rotary head ensures easy access and use on either Presta or Schrader valves. The lightweight pressure gauge weighs just 45 grams. About SKS In 1921, German bicycle accessory company SKS was founded by Karl Scheffer-Klute in Sundern, Germany (SKS = Scheffer-Klute Sundern). The company, which originally just produced bike pumps, today manufactures floor pumps, mini pumps, mudguards, bike fenders, chain guards, and other accessories. This compact, convenient bicycle tool can be used to quickly and accurately measure tire pressure, and release excess air if needed. A large, backlit digital display shows pressure in both bar and PSI formats, while the rotary head ensures easy access and use on either Presta or Schrader valves. The lightweight pressure gauge weighs just 45 grams. About SKS In 1921, German bicycle accessory company SKS was founded by Karl Scheffer-Klute in Sundern, Germany (SKS = Scheffer-Klute Sundern). The company, which originally just produced high quality bike pumps, today manufactures floor pumps, mini pumps, mudguards, bike fenders, chain guards, and other accessories.Lightweight pressure gauge weighs just 45 grams. Rotary head ensures easy access and use on either Presta or Schrader valves. Large, backlit digital display shows pressure in both bar and PSI formats. Quick release valve can be used to bleed off excess air if necessary. Compact, convenient bicycle tool can be used to quickly and accurately measure tire pressure.Item Weight: 0.13 Pounds. Item Dimensions LxWxH: 4 x 4 x 12 inches. Material: Synthetic. Brand: SKS GERMANY. Best Sellers Rank: See Top 100 in Sports & Outdoors. : B001OMQK6Q. Manufacturer: SKS. Date First Available: September 2, 2003. Batteries: 1 Lithium Ion batteries required. (included). Department: unisex. Item model number: 10001. Product Dimensions: 4 x 4 x 12 inches; 2.08 Ounces. Is Discontinued By Manufacturer: No.