Well made gauge that performs very well. The large display is easy to read, but this sensor requires two hands to operate. The load capacity makes it virtually unlimited for most off-road tires. 70psi - Also features a manual air release button and rotating chuck for added convenience. ACCURATE TIRE PRESSURE GAUGE - This gauge is ANSI B40.1 certified and ensures your tires are properly inflated. EASY TO USE - The Alien 4x4 Tire Gauge features a 360-degree rotating chuck, an easy-to-read 2-inch glow-in-the-dark dial, and is easy to hold thanks to the gauge's non-slip rubber surround. HOLD PRESSURE MEASUREMENT - This feature allows you to take pressure readings even after removing the pressure gauge from the tire valve. Reset the reading by pressing the pressure release button. STURDY CONSTRUCTION - The Alien 75 psi gauge is well made and durable with high quality materials including corrosion resistant brass components and also durable braided air hoses. It's backed by a LEGENDARY LIFETIME GUARANTEE - reliable and built to last, so buy knowing you're covered. Enjoy better fuel economy, a smoother ride and longer-lasting tires. It comes with a really nice storage box. e too.