... Gen25. Memory: 1K; 6. Antenna size:27*9.7,22.5*22.5, 70*17, 94*8.15 ... , 12*9(mm / Optional )7. Label size: 50*50, 101.6*101.6, 85 ... width)*1.5MM (thickness) Thickness1.5mmSpecial Optionsilk-screen printing logo etc,color availableblack, red, black, purple, orange ... -40 °C~ 65 °CAvailable crafts:laser numbres,logo printed,different color choose Applications:Swimming pool,hospital,concert,big ...