Seco-Larm SD-991A-D1Q Mini No-Cut Electric Door Strike For Indoor Use​, Converts Cylindrical Lock Sets Into an Electronic Access-controlled Locking System, Stainless Steel Keeper<br> <br>Key Features<ul> <li>Converts cylindrical lock sets into an electronic access-controlled locking system</li> <li>Fail-secure operation - Door remains locked if power to the strike is lost</li> <li>2-wire installation, non-polarized connection</li> <li>Stainless steel keeper for strength and long life</li> <li>Includes Stainless Steel No-Cut and Silver-Colored Aluminum Low-Cut Strike Plates</li> <li>Can be used with virtually any cylindrical door locking system</li> <li>Can be used with an optional digital keypad, pushbutton switch, and other entry devices</li> <li>Suitable for office-type applications</li> <li>Reversible non-handed design fits either right-hand or left-hand doors</li> <li>Shallow design for use with most metal doors</li> <li>Powered by a solenoid, not a buzzer coil</li> <li>For indoor use​</li> </ul>Specifications<ul> <li>Operating Voltage: 12VDC</li> <li>Current Draw: 280mA@12VDC</li> <li>Static Strength: 1,000-lb (454kg)</li> <li>Endurance: 250,000 Cycles (Factory tested)</li> <li>Latch Throw: 1/2" (13mm)</li> <li>Operating Temperature: 14°~120°F (-10°~49°C)</li> <li>Operating Humidity: 0~85% (Non-condensing)</li> <li>Dimensions: Stainless Steel No-Cut Plate 2-3/4"x1-1/8"x15/16" (70x28x24 mm)</li> </ul>