- Converts cylindrical lock sets into an electronic access-controlled locking system
- Fail-secure operation – Door remains locked if power to the strike is lost
- 2-wire installation, non-polarized connection
- Stainless steel keeper for strength and long life
- Includes Stainless Steel No-Cut and Silver-Colored Aluminum Low-Cut* Strike Plates
- Can be used with virtually any cylindrical door locking system
- Can be used with an optional digital keypad, pushbutton switch, and other entry devices.
- Suitable for office-type applications
- Reversible non-handed design fits either right-hand or left-hand doors
- Shallow design for use with most metal doors
- Powered by a solenoid, not a buzzer coil
- For indoor use
- Optional Bronze-Colored Aluminum Low-Cut* Strike Plate (SD-991RA-61Q/B) available:
*Fits most metal or wood doors with minimum cutting of door frame beyond the hole for the strike