The electric strike applicable for wooden doors, metal doors and PVC doors. It features low power and long life. Power-on open type and power-off close. Made of durable and high quality material.Non-Handed Electronic - Operates on 12 Volt DC Current Finished Face Plate Included This Door Electric Strike releases when 12 Volt DC current is supplied for remote entry. This Door Electric Strike is intended for use with 1-3/4" thick doors, hung with offset pivots or butt hinges, that close flush with the jamb edge. Lip Extensions are not available for this Door Electric Strike. The Electric Strike Lock is supplied with a finished faceplate and mounting clips. This door strike is designed to replace existing strike plates of Electric Strikes locks. It produces a buzzing sound when activated.