> 433MHz Rolling Code technology > 500PIN/card users > 4~8 digits PIN, 125KHz EM card > Communication distance: 50m Max > Open/Close by Keypad, transmitter, or touch the lock
> 433MHz Rolling Code technology > 500PIN/card users > 4~8 digits PIN, 125KHz EM card > Communication distance: 50m Max > Open/Close by Keypad, transmitter, or touch the lock