The handheld ID card duplicator adopts a compact and ergonomic design, providing simple "READ" and "WRITER" functions for easy operation | Suitable frequency : Rfid reader writer only supports id125kz frequency, please confirm the frequencyof the card you want to copy before purchasing | Widely applicable: widely used in communities, offices, homes and other places that require security monitoring or access control systems | Supported card types: The RFID reader can copy ID cards, HID cards and AWID cards, the RFID reader supports writing T5577, EM4305, CET5200 | Battery: Use two AAA batteries, note that the battery is not included and needs to be purchased additionally