DoorKing Inc.
120 Glasgow Avenue
Inglewood, CA 90301
Toll-free: 800-826-7493
Fax: 310-641-1586
E-mail: info@doorking.com
Web site: www.doorking.com
Digital Keypad Systems: DoorKing manufactures a variety of digital entry keypad systems for both stand-alone applications or for connection to an access controller such as DoorKing models 1803PC, 1815 and 1817 telephone entry systems, or the model 1818 multi-door access controller.

1509-080: Designed to be mounted into a single-gang electrical box, this keypad stores a single four-digit code and a "hold" code.
1503-080: Surface or post mounted, this unit can store 2, four-digit codes; 2 five-digit codes and 2 "hold" codes.
1506-0XX: The 1506 series can be surface, post or flush mounted and will store up to 1000 four-digit codes and 6 five-digit codes.