Gianni Industries EB200NLW is an electric dropbolt designed for both outswing and inswing doors, featuring a vandal-resistant circuitry design, long-life solenoids, and energy-saving operation. With a relay strike time adjustable from 0 to 9 seconds, it ensures the door is securely locked after closing. The included mechanic key release, KR-140, provides manual unlocking in case of unexpected situations. Ideal for frameless glass doors and hollow metal door frames, the EB200NLW offers enhanced durability and elegant appearance with its plastic housing and optional aluminum alloy faceplate.