Product Name: 0.9mm Thickness Customized Security Protection Blocking Credit Card RFID Blocking Card Model NO.: CM-B01 Data Transmission Mode: Parallel Frequency: High Frequency Power Supply Mode: Passive Card Application Field: Security/Protection Structure: COB Module Label Category: Passive Read-Write Method: Non-Contact Type Material: PVC Type: Blocking Card Function: Security/Protection Product Application Field: Information Security Protection Color: Cmyk&Special Color&Custom Color Size: 85.5*54*0.9mm/1.2mm Card Surface: Matte/ Gloss/Other Can Custom Card Type: Blocking Card Logo: Custom Logo Weight: 10g Shield Frequency: 13.56MHz Shield RF Interface: ISO 14443, ISO15693 Shield Distance: Normally The Range 4cm, Diameter 2cm. Waterproof: Yes Durable Use Time: 10 Years Protection: All Kinds Cards with 13.56 MHz. Such as Credit Car Operating Temperature: -50