Features: Crafted with ABS construction, this portable writer offers 30% enhancing drop resistance for reliable performances in high traffic environment. With support for both 125KHz and 13.56MHz frequencies, this card reader can handle a wide ranging of cards and badges. Streamlines entry management in office buildings, parking facilities, schools, or public venues with rapid duplication and system compatibility. Experience effortless cloning of encrypted cards and enhancing security protocols, ensuring uninterrupted access while maintaining robust data protective standards. The USB interfaces of this card reader makes it easy to connect to your computer or other devices for seamlessly integration. Specifications: Size:Approx.140x55x17mm/5.51x2.17x0.67inch Features: Support read/write frequency :125khz, 175khz, 250khz, 300khz, 375khz, 500khz, 625khz, 750khz, 875khz, 1000khz, 13.56mhz (iso1443a/b). The number key can be entered directly into the card number. Package Includes: 1 Set Radio Frequency Identification Access Control Card Duplicator note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. 2.Due to the differences between different monitors, the picture may not reflect the actual color. Thanks for your understandings.