The Seco-Larm Reversible Electric Door Strike F/S is an electric release with horizontal adjustment. This strike's 1/4-inch horizontal keeper adjustment facilitates installation on warped doors, doors with different-sized latch bolts, and other unique situations. The miniature lock body and screw terminals make installation even easier. The strike works with metal or wooden doors, and its reversible design supports either right- or left-handing. The strike has been tested to 500,000 cycles and has an ANSI face-plate for reliable security.