This Durable Brass-Cased Pressure Gauge with Impact Resistant Boot, monitors-your-air-Supply as a Primary or as a Back-Up to your Air Integrated Dive Computer. Gauge has 0 to 5,000 psi readout, and is easy-to-read in low light conditions with its Luminescent Dial. Gauge Boot is equipped with an Eyelet for Attachment of a Lanyard or Clip. Gauge hose is 34.5" (87.5 cm) long and has a 7/16" threaded end. Pressure Gauge is covered by a 12 month limited warranty.