**Strong & Safe** Made of durable carbon steel, the electromagnetic lock supports up to 150kg traction. **Reliable Performance** Energy-efficient with a long lifespan, it features shockproof, anti-prying, and anti-theft design, plus built-in unlocking detection. **Compact & Easy to Install** Small size, simple setup, no directional restrictions, and allows mechanical emergency unlocking. **Adjustable Elasticity** Suitable for doors weighing 0.5�C4kg. **Wide Compatibility** Ideal for lockers, cabinets, vending machines, and more in schools, hotels, offices, and public spaces. **Operation Principle** A mechanical lock controlled by relay��locks when power is off, unlocks instantly when powered. **Specs:** - Material: Carbon steel - Finish: Electrophoretic paint (500+ hrs corrosion resistance) - Mode: Power-off lock, power-on unlock - Voltage: DC 12V 2A - Lifespan: 500,000+ mechanical cycles, 1M+ electromagnetic cycles - Hook strength: 150kg (no deformation) - Temp range: -40��C to 60��C - Size: 5.9 x 7.3 x 1.3cm - Weight: 170g **Includes:** 1 x Electric lock (with detection switch)