Stainless steel pipe,detects range 0.9-1.5m Size: 32X167cm Center Frequency: 8MHz±0.05MHz Scanning Frequency bias: ±500KHz Scan Rate: 180Hz±1Hz Receiver: Sensitivity: 5μA Bandwdith: 7.5MHz-8.5MHz Safe Guard : 250v,0.5A,fuse