RFID technology fingerprint technology + perfect + GPRS technology integration. Using fingerprint authentication can not be forged for the uniqueness of inspection personnel to determine the identity of the irreplaceable and inspection management authority to resolve identity authentication in the underlying vulnerability. The use of modern industrial and GPRS communication technology combined design and manufacturing, for the first time GPRS technology, fingerprint technology, RFID technology effectively combines Chinese patrol, so that "a clear understanding of the table, a chart glance, real-time upload" on comprehensive real-time inspection records Statistical analysis of the data upload. Work progress in real time to master control room and the front of the actual situation in the field. Dimensions: 15.3 * 5.6 * 2.5cm weight: 186g Material: Alloy