Features 1、High sensitivity, low operating current, single DC power supply, stable performance. 2、Anti-metal shielding, advanced anti-crash circuit design, anti-surge protection, anti-missing protection. 3、Use pure digital imported RF base station chip, no error code. 4、Intelligent sound and light control mode. Super bright indicator. 5、The buzzer sounds clear and loud, and will not be disturbed. Specification Features: High sensitivity, low operating current, single DC power supply, stable performance. Anti-metal shielding, advanced anti-crash circuit design, anti-surge protection, anti-missing protection. Use pure digital imported RF base station chip, no error code. Intelligent sound and light control mode. Super bright indicator. The buzzer sounds clear and loud, and will not be disturbed. Long transmission distance, Weigand (100 meters). Wiring method in line with international standards. Use glass discharge tube and semiconductor discharge circuit, multi-level thunder protection, 15KV electrostatic shock resistance. Transmission method: Wiegand. Specification: Condition: Brand New Model: KA-CJ01 Type: RF Card Reader Model: Ka-js01 Operating Frequency: 13.56 Mhz /125Khz Sensing Distance: 3 - 8cm Card Reading Speed: < 0.2 Seconds Card Reading Interval: <0.5 Seconds Working Temperature: -20°C-70°C Working Humidity: 10% - 90% Size: Approx. 85 x 85 x 10mm/3.3 x 3.3 x 0.4in Color: Silver Material: Metal WG26/34 Wiring: Red Line: DC12V Black Line: GND Green Line: D0 White Line: D1 Blue Line: LED Yellow Line: BEEP Grey Line: WG26/34 Package List: 1 x RFID Card Reader 1 x Screwdriver 1 x Wire Harness 1 x Manual Note: Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.