2 pcs pressure switch: 1 pcs QPM11-NO & 1 pcs QPM11-NCUse medium: airUse pressure range: 0.1-1.0MpaEnvironment and medium temperature: -5 -60 CelsiusWork form: pressure adjustable typeInstallcolor: blacksize: 85*30mmMaterial: Plastic+Stainless Steelconnection mode: external threadNozzle diameter: 1/8 inchWorking voltage: 220V/AC, 48V/AC.DCMaximum working current: 500mAMaximum power: 24VA, 100VAInsulation voltage: 500V, 1500VMaximum pulse number: 200T/minService life: 100 millions cyclesNote:Adjust the pressure of the size, please screw the twoterminals in the middle of the Hex.Model: QPM11-NO(Normal Open)QPM11-NC:Model: QPM11-NCQPM11-NC (Often shut down): that is, the pressure is not set,the switch contacts are closed; to set the value, the switchcontacts are disconnected, the line is the state of power.Package Contents:2 * pressure switchOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.