ZKTeco KR500 - KR500 Wire and Specification Details; Wire Function Mapping; Technical Specifications

KR500 Reader User Manual
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3. Wire Function Description
Red wire: DC 12V
Black wire: GND
Green wire: Wiegand D0
White wire: Wiegand D1
Grey wire: Green LED
Purple wire: Beeper
4. Specifications
Limit Parameters
Item
Value
Power
DC 12V
Operating temperature
-20℃ to 65℃
Operating humidity
10% to 90%