Schlage SERIII-W Scramble basic

SERIII-W, 8 - 12 VDC, 500mA, LED, Polycarbonate The SERlll-W Scramble Keypad is a keypad reader designed to prevent onlookers from detecting the PIN code being entered. The LED’s display a randomly allocated set of numbers from 0 to 9. The position of the numbers change every time the keypad is activated. Only the user standing directly in front of the keypad can see the scrambled digits.