The SK-2612-SPQ supports 1,000 Users (up to 998 users and two duress users) with user code lengths from four to six digits. It supports 9~18 VDC operation with a low current draw of 105mA max, and a Form C relay output of 2A@12VDC. The adjustable output time ranges from 0.5 to 99 seconds or can be set to toggle. It can easily transfer users to additional devices using Wiegand output and is equipped with backlit keys, a multicolor status LED, built-in tamper alarm and external alarm (duress) output. All features are programmed directly on the keypad. The egress input lets users exit the premises without a code/card, and it can serve as either Wiegand reader or controller; both output and input are selectable 26 to 37 bits. It also supports two-door interlock function. It has epoxy-filled black ABS plastic housing and is IP66-rated, boasting an extreme cold tolerance to -40 deg. F.