Item Type: RFID TagMaterial: PPUses: Suitable for gas cylinder management, parcel logistics, luggage and clothing, trees, containers, fire extinguishers, department stores, wires, petrochemicals, shipping, gardening, etc.Frequency: 915MHzChip Capacity: 144ByteRead and Write Distance: Approx. 0 to 5cm / 0 to 2in(Depending on Different Environments and Readers)Working Mode: Readable and WritableRead and Write Times: 100,000 TimesRead and Write Time: 1 to 2MSService Life: Greater Than or Equal to 10 YearsProduct Size: Approx. 330 x 30mm / 12.99 x 1.18in Package List50 x RFID Tie Tag Stay away from strong magnets1PP Material: Made of quality PP plastic, sturdy structure makes the tag not easy to break or deform, reliable and durable, choose it with confidence 2Excellent Performance: This tag possesses premium sealing, waterproof performance, drop resistance, wear resistance, comes with a long life span. 3Specifications: This tag has a 915MHz frequency, 0 to 5 cm reading distance, and 100000 times reading times. 4Wide Application: This tag can be used for gas cylinder management, parcel logistics, luggage and clothing, trees, containers, fire extinguishers, department stores, electrical wires, petrochemicals, shipping, gardening, etc. 550Pcs: There are 50 pieces tags in this package that enough amount to meet your daily needs and make back ups.