SDC battery powered electronic door locks and keyless entry system provide controlled access for basic and multi-level high security requirements. Additionally, E70 series keypads comes standard with all of SDC’s EntryCheck features such as door sense/inhibit inputs industry professionals have become accustomed to from SDC keypads. The E77 Series include an SDC rim exit device and trim. The E77 locksets are an indoor/outdoor standalone electronic battery powered solution, providing controlled access for basic and multi-level high security requirements. The E77 locksets are keypad or PC software programmable, and combine multiple access technology with efficient motorized exit devices.