ITEM NAME:Valves Switch Air Compressor Pressure Control Switch Valve Heavy Duty 120-150 OZ Description: 1.Rated 120/150 PSI. 2.This pressure switch is designed for high-pressure on-board air systems. 3.Ideal for air horns that require high air pressure. 4.Preset to turn on the compressor when tank pressure is below 120 psi, and turn off the compressor when the air tank pressure reached 150 psi,with a tolerance of ±10%. 5.Can operate reliably up to 3.5 amps. 6.For 12 volt power source. 7.With 1/8inch male pipe thread,and 1/4inch push-on electric terminals. Specification: Volt: 12V Quantity: 1 pc Electric current: 3.5A.1 X Horn Compressor Air Pressure Switch. This pressure switch is designed for high-pressure on-board air systems. Fits for Air Horns,Train Horns,Air Suspension Compressors,ect. Ideal for air horns that require high air pressure.