Model Number: SK23COperating Voltage: 12V DCStructure & Build: Robust zinc alloy frame paired with a durable stainless steel strike.Faceplate Style: Long/extended faceplate type, featuring an open slot designed to catch a standard door lock latch bolt.Operation Mode: Fail-Safe (Normally Open / NO mode). The mechanism requires an active power supply to remain locked, and it automatically unlocks when power is removed or cut off, ensuring safety during emergencies.Application: Tailored for embedded/mortise installation inside narrow door profiles, including metal, wooden, or aluminum frames. Commonly integrated alongside IC cards, proximity fobs, numeric keypads, or remote buzzer buttons