> All wireless, no need wires any more > Easy for installation and operation > Open times: 16,000 times for lock, 10,000 times for keypad > 433MHz Rolling Code technology > Ultra low power consumption > With two remote transmitters > 100 PIN/card users > 4~6 digits PIN, 125KHz EM or 13.56MHz Mifare card optional > Communication distance: 30M max > Open the lock by keypad, wireless exit button and remote transmitters > Battery life: more than 12 months