- Perfect gadget for peeking what's stored inside cards such as debit、 credit、 discount、 VIP club、 door/entry security cards<br />- USB 1.1/2.0 data and power interface (driver free play and play)<br />- DC 5V÷5%                                                                                                                                 Dimensions: 6.73 in x 1.97 in x 1.69 in<br />Weight: 9.56 oz