Description and high quality Made of high-quality materials, more Support 4 frequencies: IC 13.56Mhz, ID 125Khz / 250Khz / 375Khz Colour:As Shown Material:plastic Due to different batches, there may be differences in product appearance and printed text, which not affect use Package Contents: 1 x RFID Reader 2 x Adapter(Random color and appearance, dont accept the specified color and appearance) 1 x USB Cable (Random color, dont accept the specified color) 3 x CUID Card (Random color and appearance, dont accept the specified color and appearance) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.