Ic + Id Rfid Dual 125Khz And 13.56Mhz Keyfobs Em4100 S50 Chip Smart Card Token Key Fob Ring Access Control

New and high quality Material: ABS Color:red/blue/yellow（Remarks required for ordering） Size:4.4*3.1cm New And High Quality, Waterproof, Dustproof Dual Frequency, Dual Chip, Compatible 125 Khz And 13.56 Mhz Access Control System Read-Only, With No External Power Required Specification: Frequency: 13.56 Mhz , 125 Khz Card Chip: F08 , Tk4100 / Em4100 Dual Chip Data Retention:bigger than10 Years Color: Blue, Yellow, Red Operating Temperature: -20-85 Degrees Package Included:1pc Note: 1. Due to manual measurement, please allow an error of 1-3mm. 2. As different computers display different colors, thank you for your understanding, the actual product color may be slightly different from the image. The merchant warrants that their products comply with all applicable laws, and are offered only if they comply with Joom's policies and EU Product Safety and Compliance laws.