Heavy Duty Air Compressor Pressure Switch Control Valve Automatic Trip 90-120PSI 1/4 Port for Small Compressing Machine brand new and high quality. Features: Made of high quality material, solid, durable, wear resistance and high precision, practice and serve you for a long time. Automatic trip, easily to control the air pressure. It can help to save electric energy of the air compressor. Easy to install and convenient to use. There is a red ON/OFF manual switch and Auto load/unload. 2 optional types can be selected. Great switch for miniative air compressor. Specification: Material: Plastic, Brass Dimensions: app.80 x 45 x 75mm/3.15 x 1.77 x 2.95in Optional Types: No.1: 1 Port; No.2: 4 Ports Color: Black Quantity: 1 Pc Note: No retail package. Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package Includes: 1 x Air Compressor