1.Simple operation,no computers,mini handheld housings,in line with ergonomics,easy to carry. 2.With excellent program algorithms and circuit design,the product power consumption is reduced,and the battery life is extended(note: battery not included). 3.Applicable to access control cards,elevator cards,parking cards,attendance cards,etc. 4.This copier simplifies the process of copying cards.Even users with minimal technical knowledge can operate it effortlessly,making it suitable for environments. 5.This device provides a quick and easy solution for duplicating RFID cards to streamline entry processes. Frequency: 125 KHz Support: EM4100 / EM410X Copy Times: 20,000 Times Battery Type: 2*AAA Battery (Not included) Colour:Blue Material:ABS Package Contents: 1 x RFID hand copier (without 2 x AAA batteries) 1 x English manual 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.