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125KHZ RFID Patrol Newest Waterproof Rfid Guard Tour Patrol System Free 10 Guard Tour Checkpoints 2 Tags

ibeacon-N20 Ibeacon Base Station Shopping Mall Navigation Equipment Bluetooth Sign-in Location Beacon

Mini Data USB cable Use For LANDWELL EF3000 Rfid Guard Tour Patrol System

DIY Waterproof 125KHZ USB Metal Rfid Guard Tour Patrol System With LED Light + 10 Checkpoints 2 Staff RFID Tags