: Shell by the refined mold, high-temperature anti-corrosion materials from high pressure injection, the internal packaging RF card chip, the filling filling epoxy resin, through the combination of ultrasonic welding. The appearance of small and exquisite, durable, do not fade. Products waterproof, shockproof, anti-corrosion. Can channeling hanging on the key ring, can also be placed inside the wallet or handbag, easy to carry. Swipe convenient, high frequency, read speed. Each tag has a key ring. Each tag is preprogrammed with a unique ID (can not be changed) and printed on the back. Used in public transportation, parking, card payment, time and attendance systems, access control systems, identification, low-frequency tag cards. Specification : Color: Blue, Yellow, Red Size: Approx. 5.8x2.8x0.4cm/2.28"x1.1"x0.15" Operation Frequency: 125KHz Detecting distance: 1-5cm Package includeds : 1 x Access Card (Blue / Yellow / Red for Optional~) Details pictures :
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