The Suunto pressure gauge is color coded for ease-of-reading and gives pressure readings from 0 to 5000 psi. The color coding is red screened from 0 to 700 psi for reserve air and green screened 1,400 to 5,000 psi. Numerical pressure increments are 500, 1,000, 2,000, 3,000, 4,000 and 5,000 psi and 200 psi increment indicators. Pressure gauge is equipped with a 7/16" threaded high pressure Miflex Carbon HD hose. The hose has electro-less nickel-plated fittings and Viton O-ring. Miflex Carbon HD high pressure gauge hoses are manufactured in accordance to EN250 standard. Instrument has luminous dial for ease-of-reading in low light conditions. Gauge boot is made from a durable impact resistant plastic and has multiple-eyelets for attachment of lanyard or clips.