A versatile combination deadbolt and exit alarm, specially designed to prevent unauthorized use of emergency exits and secured areas. Attack and corrosion resistant cast aluminum housing UL listed Panic Hardware, ADA compliant ECL-230D comes with a 5 year limited warranty standard Surface Mounts To Door- Easy Installation with ordinary tools Strike bolts onto frame (surface mount) Push on paddle to exit, alarm will sound if armed Use keyswitch to arm/disarm alarm Standard 9v battery included 5 Year Limited Warranty