... Proble with Switzerland EM sensor reader 5000B RFID Guard Tour Probe, Guard Tour Control, Guard Tour System, Guard Patol System, Guard ... ,000times. 8.Card reader technology: Switzerland EM sensor reader technology.9. 4M Flash memory: data storage recorded the largest number of ... after Power-down. We can manufacture and supply Guard Patrol Probe according to your requirements,More types of Guard Patrol ...