Sensing side diameter: M12 , Sensing distance: 4mm , Installation: Non-Shield(non-flush) Sensing side diameter : M12 Sensing distance : 4mm Installation : Non-flush Standard sensing target : 12×12×1mm(iron) Response frequency : 500Hz Wire type... Standard sensing target : 12×12×1mm(iron) Autonics PR12-4DN Proximity Sensor 24V DC | ATS Official M12 Proximity Switch 4mm Ottonix Type PR12-4DN Hugong M12 Inductive Type Proximity Sensor Switch NPN Normally Open Sensor Cylindrical Proximity Switch PR12-4DN Environment_Ambient temperature: -25 to 70℃, storage: -30 to 80℃ PR12-4DN Autonics Proximity Sensor , Improves the noise resistance with dedicated IC (DC 3-wire)Long life cycle and reliable simple operation Cable Standard/material: Standard cable, Protection structure: IP67, Approval: CE Material: Brass(nickel plated)