These standalone robust keypads are designed to operate in both indoor and outdoor environments. ACL580 keypads are available with backlit metallic/plastic keys and in a variety of plastic or metal housing options. These keypads offer elegant looks with a host of programmable options such as backlit keys, 1000 users, invalid code lockout, 2 pushbutton inputs, support for ACL870 push buttons, adjustable unlock timer etc. Can control two doors. Available in metal or plastic and surface or flush mounted.