ID 125khz EM Card Reader 125khz EM Small Mini Wiegand Reader Wiegand 26; 12 V Controller is used in access control systems (). The reader is used to read and transfer ID numbers to the controller Operating frequency: 125 kHz Type readable cards: EM Marine (such as EM4100, EM4305, T5577. etc.) Range of card reading to 2-6 cm Protocol for connection to the controller: Wiegand 26 Maximum length of line from reader to controller: up to 15m Power supply: 8 - 18 Current consumption: 35 mA Size (mm): Diameter 25 mm., Height 22 mm. Please Note: The reader case is not made of Metal but Plastic. As can not penetrate metal. If made of metal, the RFID reader can not work . Color: As Shown Material: Metal+Plastic Package Contents: 1 * 125Khz RFID Reader 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.