Specification: Frequency: 125KHz ¡Ó 3% Read Range: Up to 15 cm(Depend on Reader) Testing Reader: PRL578 Size: 55 x 27 x 2 mm (LxWxH) Weight: 4.2g Material: PVC + Poly Key-Ring Weight: 8g Key-Ring Material: Steel,Iron,Zinc-Alloy Color: White (Can Color Printing) Waterproof: IP68 Operating Temperature: -30¢XC~ +55¢XC Storage Temperature: -30¢XC~ +55¢XC Process Heat-Lamination: Package: 50 pcs/box ; 20 box / carton IC ITEM EM4100 / EM4200 / EM4069 / EM4450 / TEMIC 5530 / TEMIC 5567 /TEMIC 5577 HiTAG¢¹ / HiTAG¢º / HiTAG S2048 /TK4100