Description Product Reviews 2.4Ghz Indoor Wireless Keypad Reader Battery Operated Standalone 500 PIN / card users PIN length: 4~8 digits 125KHz EM card Communication frequency: 2.4G Communication distance: 15m Max. (50 feet) Pulse mode, toggle mode Tri-color LED status display Ultra low power consumption (wireless keypad10uA) 0 Reviews Hide Reviews Product Reviews