Radio Frequency Identification/ Proximity System operates at a voltage of 12 Volt D.C. and has record capacity of 8000 records. The Proximity System can operate at temperature ranging from -10 to 70 degree centigrade. The Radio Frequency Identification System is available in 117 X 117 X 21 mm size and makes use of radio frequency transmission to identify people or objects automatically. Radio Frequency Identification/ Proximity System of model number YH K-90 is used in enhancing efficiencies across the warehouse management and the supply chain network.