This guy can do everything. 32-38psi for cars, 30-70psi for bikes, 90-115psi for heavy trucks. It works in team with AstroAI Air Compressor AstroAI Digital Car Air Pump, 100 PSI 12V Electric Portable Digital Tire Inflator with Extra Nozzle Adaptors and Fuse and 10PC Maxell CR2032 Coin Cell Battery Lithium 3V - Made in Japan. More than one year ago, +35 Celsius / -15 Celsius, it never fails me. Keep running Topeak ! please It like perpendicular position.