Features: 1.Compact in appearance and light in weight, it can be put in the bag anytime, anywhere, easy to carry. 2.Card reader has a built?in operation buzzer, which is easy to operate and easy to use. 3.Connect the USB cable to the PC, no need to start other programs, plug and play. 4.Support for Win XP\Win CE\Win 7\Win 10\LIUNX\Vista\Android and other systems. 5.Widely used in a series of ID card management application systems such as access control, consumption, hotel locks, water meters, electricity meters, gas meters and animal management. specification:Item Type: For RFID Reader Material: ABS Model: W81 Colour: Black Interface Type: USB Working Frequency Band: 125Khz/134.2Khz Card Reader Type: EMID, FDX-B, Etc. Reading Distance: 0~150mm (Different Due to Different Labels) Card Reading Speed: 0.2s Reading Distance: 0.5S Operating System: For Win XP\Win CE\Win 7\Win 10\LIUNX\Vista\Android PackageList: 1 x Card Reader 1 x Data Cable