1. Status of LED indicators: red light-power light / blue light-read chip financial card 2. Matching in all aspects: ATM transfer machine is suitable for chip financial cards issued by (post offices). Bank network ATMs are available to choose, allowing you to transfer funds, pay bills, change passwords, and check balances easily . 3. Easier inquiries: self/-bank transfer, password change, balance inquiry credit card bill payment/cash card payment, tax payment/water and electricity bill payment : Model: USB-c13 Interface: USB 2.0 Support memory card: MINISD, SD, TF Installation method: external Interface ype: 2.0 Type: Smart Card Reader Applicable objects: all people size: 15 x 65 x 82mm Material: Plastic colour: black Package Contents: 2 x smart card reader 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.