Features: This air regulator with a gauge has an air adjustment range of 0 to 200 PSI. With a standard 1/4" interface Can help to save electric energy. With the barometer, can be set and read the data. Easy to install and disassemble. Specifications: Name:Air Pressure Controller With Pressure Gauges Material:Alloy+rubber Range:0-200PSI Units:PSI/BAR/KPA/KG/c Accurancy:(1%+0.1 PSI) Color:black Press:200PSI interface:7mm(1/4") Suitable For: Any spray-gun. Note: Item color displayed in photos may be showing slightly different on your computer monitor since monitors are not calibrated same. Please allow 1-3mm slight deviation due to manual measurement. Thank you! Package include: 1 x Air Pressure Controller with Pressure Gauges (with Battery)