Hornady 98172 Rapid Safe 2700KP XL RFID Access Code Key Entry Black Steel XLThe Rapid Safe uses Radio Frequency Identification (RFID) for instant access. Simply place the included RFID bracelet, card or key fob over the reader, use the keypad or the key lock to access your handgun. The Rapid safe provides a high level of child resistance. It uses standard household 110V power which means your handgun is both protected and ready to go 24 7. This model also features a battery backup that may be used as a primary power source.