Specifications: Easy to carry, Waterproof The card made of high temperature composite materials, have superiorfolding characteristics Operating Frequency: 125KHz Read Distance: 1.5-5cm / 0.59-1.92in Card Life: More than 100,000 times Data Retention Time: 10 years Typical Applications: Applicable to all kinds of trees and wood products management, security patrol, ** packaging, vehicle identification, packaging and labeling 36mmx6mm/1.42x0.24in,the panel is 8.5mm/0.33in, the Hole size <36mm x 5mm/1.42x0.24in Net Weight: 1.25g / 0.04oz Quantity: Pack of 50 Note: This RFID Nail is plastic,not Iron,need punch (Drilling) before to use and use the Rubber hammer to Fixed. If want the IC model please contact us before bidding.