DynaLock Corporation of Bristol, Connecticut, has introduced two standalone digital keypad product lines. Available in both single-gang-box and narrow-mullion-style mounting designs, all models share programming and functional features, including 500-user PIN code capacity, three user levels (with three access levels per user), IP65 water and dust resistance, two SPDT Form C relay outputs, REX and auxiliary inputs, tri-color LED and audible indicators, and an optical back tamper sensor. All models operate on 12-24 VDC or 16-24 VAC input. The 7300 Series models incorporate a rugged, sealed metal housing design and touch-sensitive piezoelectric metal keys for vandal and weather resistance. The 7400 Series models feature red backlit, rubber keys for high visibility, and a sealed, weather- and impact-resistant polycarbonate housing.