Socatech ST-120 Wired Keypad and Proximity Card Reader Combo Socatech ST-120 wired keypad and/or Proximity Card Reader Combo Waterproof stand-alone proximity access control reader. Sealed casing design with no screws visible Dual-color LED indicator light and Beep sound to indicate its current and proximity functions. 8 sets of door opening passwords available for user to set. 1 Year Warranty