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! This item is upgrade model,it can support general card/keyfob or glass tag,it can read/write the mini tag, please check your glass tag is 134.2KHz/125KHz,EM4305 or T5577 chip, this one can support Mini Bio glass tag size 1.5x8mm and others! Note:This item only support 125KHz EM4100 or TK4100 type,can't support 125KHz HID and others,the software and manual will send by email after we sent the order. Item description: EM4100/TK4100 is not writeable and only support read, If you want clone an EM4100/TK4100/T5577(Was write to EM4100 type before) type card/fob,This item is what you are looking for!it can clone the EM4100 card/fob to the T5577 or EM4305 writable card/fob. It not support HID or others. Specification: 125khz RFID reader/writer with USB interfce,Conform to ISO 11784/85 standard It can support Write/Copy EM4305,ATAT5577, T5557, T5567, or compatible cards/tags. It can support Read EM4001,EM4100,EM4200 TK4100 EM4305 ATAT5577 T5557 T5567 or compatible cards/tags. Could Read and Write and copy/duplicate ID cards and re-use Application: Widely used in entrance guard, consumption, hotel lock, water meter, electricity meter and gas meter and a series of IC card management application system. Product parameter: Chip type: ATA5577,ATA5567,EM4305,EM4205 Endurance: 100,000 Operating frequency: 125KHZ Data Retention: 10 years Communication speed: 9600bonds Read/write Distance:0-10cm Packaging materials: ABS Dimension:105X80X21mm Operating Temperature: -20 degree ~ 55 degree Weight:90g Support System:Windows 2000/XP/ WIN7 Support write/copy cards/tags type:EM4305, T5577,,or compatible cards/tags Support Read: EM 4001,EM4200 or compatible cards/tags. Packing included: 1 x USB 125Khz RFID EM4305 T5577 Card Reader/Writer Copier/Writer programmer burner 1 x USB Cable(For Connect computer) 1 x English Software + English manual(Note:the software/Manual will send to your email) If you want more Rewrite card or tag please search:252130932922, 251316219879 , 261260401081 I have other kind rewrite card or tag,you can find they are in my shop. 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.