Features:Small size and lightweightSimple injection and implantBiological glass packageLong read or write distanceSurface with anti-slip materialSpecial for animals: fish, cat and dogStandard: GB/T 20563-2006Specifications:Chip type: read and writeFrequency (adjust): ASK, 134.2kHzWrite times: greater than 1,000,000 timesMaterials: biological coating coverage, bio-glass, anti-bacterial and -allergic Anti-static: anti-electrostatic breakdown, -pressure above 5,000VOperating temperatures: -20 to 50°CStorage temperatures: -40 to 70°CWorking time: greater than 20 yearsReading range: 50 to 500mmPower: no needDimensions:Diameter: ≤2mmLength: ≤8 or 12mmWeight: 0.095g