- 90 PSI open to 120 PSI cut-off adjustable: automatic control for air compressors with an adjustable output and a brass coupler to suit your needs - Red switch knob control: easy to operate with automatic load/unload function for simple, reliable pressure management - Adjustable pressure function: rugged design intended to set the starting (open) and closing (cut-off) pressures; quick and straightforward to install or remove - Gauge range 0-180 PSI: provides clear pressure monitoring; compatible with systems rated AC 240V or 380V, and currents of 16-20A - Easy installation and removal: designed for straightforward mounting and removal without complex setup - Compact, durable construction: built to withstand typical shop conditions while maintaining consistent performance - Practical use scenarios: - Home workshop with air tools (nailers, impact wrenches) requiring automatic control to maintain stable pressure - Automotive tasks such as spray painting or sanding where consistent cut-in/cut-off improves results - Small to mid-size maintenance or fabrication setups needing reliable pressure regulation and protection - Key attributes at a glance: automatic control, load/unload function, 90-120 PSI adjustable range, 0-180 PSI gauge, adjustable brass coupler, compatible with AC 240V/380V, 16-20A, easy install/remove, rugged construction