Guard Tour Control, Guard Tour System, Guard Patrol System, Guard Patrol Device, Guard Tour Reader, Patrol System, Security Patrol System, Patrol Reader, Guard Tour, ... , Metal luxury case and plastic reading head totally airproof with silica gel, waterproof and shakeproof, resist low temperature. ... Flash memory, 30000 memory record. 6. GS-6000C With LCD display current time and ID No. Mobile Phone: ...