1. EM4100 or compatible 125KHz ID card

   2. Effect distance above 10cm

   3. One LED indicator.

   4.One fixed buzzer

   5. electric current 9-12VDC,working electric under 80mA

   6. W26/W34/RS485 standard format output

   7. encapsulation, complete seal design, water-proof,  damper-proof, dust-proof

   8. protect from wrong connection.   Dimension 115mmX75mmX15mm

   9. Working Temperature: 0~70 degree C.