LIBO Electric Drop Bolt Lock DC 12V Fail Safe NC Mode Electronic Door Lock for Access Control Security System with Time Delay

Features: 1. NC mode - (locked while supplied with power), fail safe mode. 2. Installation: unfold install (surface mounted). 3. Material: Aluminum alloy material. 4. With time delay: 0s, 3s, 6s. 5. Suitable For: Wooden door, Glass door, Metal door, Fireproof door, etc. 6. Surface scrub treatment, durable and wear-resistant. 7. Lock body use hexagon screw, fixed panel, anti-theft and more security. Specifications: Model Name: L-XXS Dimensions: 150x34x28mm Lock core: The diameter 12.5MM, extending the length of 15MM Working Voltage: DC12V Working current: Start state 1.2A Persistent state 120mA Operating Mode: NC (locked while supplied with power), fail safe mode Wires: red wire connect to "NC", black wire connect to "GND" or "COM". Warm Note: yellow line and white line are useless, don't need to be connected. Package Including: 1 x Electric Drop Bolt Lock 1 x Bag of installation kit