Made of qualified PVC material, it is environmental and durable. With 3 buttons, it is simple and easy to operate. This copier can copy the ID card frequency 125khz ,250khz ,375khz ,500khz Applicable to copy all of the ID card, such as access cards, cell cards, parking cards. No operation in will automatically sleep and press any key to wake up. Handheld design, it is convenient to use. Memory: 64kb Sensing Distance: 2-10cm Reading/Writing Time: 0.1s Power Supply: 10W 2x AAA Battery(not included) Button: Read Button, Write Button, Frequency Change Button Model: CR66 Dimension: 105x38x12mm Colour:White Material:ABS Package Contents: 1 x RFID Copier 10 x Rewritable Key Tags 10 x Rewritable Cards 1 x English manual Only the above package content, other are not included. Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.