1. Read Em4100 Or Tk4100 Keys And Cards 2. Read And Copy And Copy 125 Khz Em4305 T5577 5200 Cards And Tags 3. Support 125khz Em4100 / Em410x Or Compatible Card And Label Format (Not Compatible With Hid Standard) 4. Built-In Led Light And Buzzer Indicator Colour:As Shown Material:plastic Random label color, don't accept the specified color The actual product may have slight color difference or difference, which not affect the use Package Contents: 1 * ID 125Khz RFID Reader Writer 2 * 125khz rfid writable EM4305 tags 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.