1.Name:prism universal proximity switch2.Model:SN04-N3.Size:18*18*36mm4.Detection Distance:4mm5.Detection Object:metal,iron6.Operating Voltage:DC 6-36V7.Output Way:DC 3 wire NPN normally open,NPN NO8.Output Current:300mA)9.Shell Material:plastic10.Function:proximity switch(also called non-contact travel switch),can operate when it comes close to metal,and it is widely applicated in controlling tool and other equipment