Technical parameters:

Power: less than 0.2 (W)
Sensing Method: Non-contact card reader
Operating frequency: 125 (Khz)
Sensing distance: 8-15 (cm)
Reader Time: less than 0.08 (s)
For cards: EM4100ID card
Applications: attendance， access control， members of the software with the card machine

Features:

1. Plug and Play standard PC USB keyboard interface mode without loading any drivers， windows will automatically be treated as ergonomic input devices.
2. Provided by a stable power supply computer USB port， no external source， and built-in power protection.
3. An LED and a buzzer， the buzzer sounds when the credit card， the light flashed.
4. Support μEM4001，4100 or its compatible RFID， frequency: 125kHz， sensing distance of 80mm-150mm.
5. Power consumption <0.2W， low power consumption to create zero failures.
6. Dimensions: length × width × height 10.8cm × 7.8cm × 2.8cm.