Handheld shape design, comfortable hand feeling 2 buttons for simple operations. Standalone operation, no need to connect with computer / PC, easy to use. Built-in individual LED lights and buzzer indicator. Reading distance is 0 - 6cm. Can only copy 125KHz RFID card, Compatible with T5577, CET5200, EM4305 and EN4305. Parameter Read: EM / TK (EM4100 TK4100 etc) cards or keys Write: EM4305 CET5557 T5577 5200 EM4205 etc cards or Keys (Note: not support HID) Built-in: individual LED lights and buzzer indicator, ceiver antenna Power Supply: 3V (2 x AAA battery, not include) Times: Read / Write Greater than 20000 times Size: ( L*W*H ): 115 x 70 x 30mm Weight: 85g Colour: Material:plastic Package Contents: 1 x RFID Copier 5 x Keyfobs Tags 5 x card 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. Note: 1. Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours Hope you have a pleasant shopping experience!