this order

20pcs 13.56 MHz rfid Key fobs

please tell me you like colors

No explanation, random delivery of color

feature

chip:  F1108(M1 classic 1K S50 Compatible)

frequency:  13.56mhz

protocol: 14443a

memory: 1K bytes

size: 41.2*34mm

material: ABS

water-proof

acid-proof

alkali-proof

operating temperature: -40'C to +85'C

application

public transport ,Access Control: payment membership system, time attendance, game ticket, hotel management, transportation, library and campus, parking lot system and consuming system, warehouse management, cashless Vending, loyalty & Discount, leisure ,Toll , Student/Campus /School , identity management, etc