Storage capacity: 100000 inspection records Data interface: USB2.0 Support inductive frequency: 125KHz Support patrol tags type: Switzerland EM4102 / TK4100 and compatible card Power consumption: 10MAH Database: Support for Access and SQL Server databases Reading Tips: Indicator / Sound Battery: Built-in 3.7V rechargeable lithium battery Operating temperature: -10℃~+90℃ Size: 145mm×29mm Body weight: 240g