LotFancy Portable Digital Tire Pressure Gauge with LED Light Backlight for Cars, Trucks, Motorcycles & Bicycles, 100PSI Lighted nozzle and display screen for ultimate visibility in low light or at night Digital display instantly and clearly shows exact reading, eliminating the guesswork of analog gauges Nozzle seals to valve stem for quick and accurate measurements Simple push button control turns unit on and selects the desired range- automatically shuts off after 30 seconds Ergonomic design comfortably fits hand and features a soft, non-slip surface for sure grip