Sell 20Pcs Waterproof Dustproof 125Khz RFID EM4100 Smart Tags 40mm Guard Tour Patrol System Checkpoint best price

Products introduction: 100% brand new and high quality Waterproof PVC material,Portable,light and small Factory programmed Unique ID number Compatible with 125khz RFID reader to gain access Specification: Card type ID EM4100(Read Only,cannot be writable) Operating Frequency 125 KHz Capacity 64 bits Common Usage Ticketing, Contactless smart card excellent security Tested Read Range 2.5 - 10 cm (1 - 4 in.) Multi-Detection Yes Size 40 mm Material PVC and ABS Color White,black(no requirements,we will send it random) Weight 9 g Compliance EM4100 Operating Specifications Waterproof and dustproof Resistance to immersion in salt water, alcohol, oil, 10% HCL Ammonia Shock Dependant on packaging Vibration Dependant on packaging Temperature Operating: -25° C to + 70° C