Protocol: ISO 18000-6C Chip: Alien H3 Frequency: 860? 960MHZ Memory: 96/ 368/ 512/ 880/ 1024/ 2048bit Read distance: 0.5m Handheld reader Dimension: 30x13 mm Work mode: R/ W Storage time: 5 Years Bear tension: 350N( Newton) Material: Thermoplastic elastomeric rubber Operation Temp: -20 C to -85 C