Dear buyer, Welcome to my shop, if you have any question please let me know, I will do my best to help you when received your mail(will reply within 48hours), thanks for your understand,if want many quantity or many items total please contact me,maybe will have a good price,Have a nice day! Please Note: This item is a USB Reader,it only read number and show number. it is not a writer and can't write any code to writable tag. Specification: Card type: iButton 1990A-F5/1990A+F5/TM Communication Interface: standard computer USB keyboard port Connection: one end of the USB cable to the computer's USB port,you can work! the USB cable is great,have a Magnetic ring to Anti-interference! Description: First time Windows will auto install drive and not need download drive by self,only waiting few minutes. Support Win98/XP, Win7/8(32/64) Can read all the ibutton tag or which compatible DALLAS 1990A ibutton or TM tag,only read. Use: 1, USB line to link computer 2, Open Windows Notepad or office word,or others software! 3, Put ibutton tag to Read,have sound response and LED light flash green color,show 16 digits number on notepad,now read success! Include: ibutton DS1990A-F5/+F5/TM USB Reader x1(USB cable included) 1990A-F5 iButton x 5(Black/Blue/Red/Yellow/Green,each color have 1pcs,total 5pcs) Shipping: We Ship to Worldwide. Import duties, taxes and charges are not included in the item price or shipping charges. These charges are the buyer’s responsibility. Please check with your country’s customs office to determine what these additional costs will be prior to bidding/buying. The item will be shipped out within 48 hours on the weekdays ( Monday to Friday ) or the next business days on the weekend after full payment must be received. Only ship to the Address. Please make sure your address in is Correct before you pay. we are not responsible for any wrong or undeliverable addresses. We will ship out the item by AirMail from China or Hong Kong Post Office. If want send by DHL UPS EMS or other Express shipping please contact me to change the shipping cost. We will send the item as " GIFT " It takes about 15-40 working days to arrive. Sometimes take a little longer , Due to Local dispatch or other reasons, It might goes more than 20 days . Payment We accept PayPal only. All major credit cards are accepted through our secure payment processor PayPal. Payment must be received within 10 days of auction closing. Refunds Returns If you do not satisfied with your purchase, or if it is damaged when receive, please let us know, we will do our best to help. If the problem cannot be solved, please return it to me in the condition it was received within 7 days. we will send you replacement or give you a refund. All returns should include all original items undamaged, in re-saleable condition, all original packaging including manuals, warranty forms. Buyers is responsible for the returning shipping cost. We care about our valued customers, and will always try to help you. So if you have any problems, please message us immediately. Please give us the opportunity to resolve any problem. We understand the concerns and frustrations you might have, and will try our best to resolve the issues.Please contact us BEFORE leaving any negative or neutral feedback or open any dispute on paypal.