With door close time delay function, locks only after the door has completely stopped moving, effectively protecting the door and lock from damage. Superior low-temperature design ensures safe and durable performance. New structural optimization design provides enhanced stability and security. Ultra-low-power consumption design for increased durability and environmental friendliness. Tested for 500,000 cycles of lock operation. Constructed with a high-strength aluminum alloy lock body and stainless steel bolt. Operating Mode: NC (Normally Closed – closes when powered), Fail Safe. Suitable for wooden doors, glass doors, metal doors, and fireproof doors. Includes fixing screws and all necessary components for standard installation. This electric deadbolt lock is ideal for use in homes, nursing facilities, schools, and similar environments. A reliable lock contributes to safety and peace of mind. This solenoid lock offers durability, resistance to damage, and easy installation, making it a dependable choice for securing your property. Specification: Item Type: Electric Deadbolt Drop Operating Mode: NC Fail Safe (closes when powered) Feature: Low temperature Voltage: DC 10V - 18V Instantaneous Current: 850mA Working Current: 85mA Time Delay: 0 / 3 / 6 seconds Color: Silver Material: Aluminum alloy + Stainless steel Dimensions: 200mm x 35mm x 40mm Package Contents: 1 x Electric mortise lock 1 x Instruction manual 1 x Installation size sticker 1 x Pack of screws 1 x Ordinary fixed plate 1 x Magnetic fixing plate Note: Light and display differences may cause slight variations in color between the image and the actual item. Measurement allows an error of +/- 1-3cm.