Product material: The shell is made of metal plate, and the internal parts are carbon steel casting Working mode: Locking when closing the door when off, unlocking is triggered when on Mechanical life: Under design load conditions, more than 500,000 cycles Surface treatment: Plated with electrophoretic paint (neutral salt spray test for more than 500 hours) Ambient temperature: Suitable for high temperature up to +60 degrees and low temperature down to -40 degrees Safety: The lock can withstand 150KG pulling force without obvious permanent deformation; it has anti-vibration and anti-pry performance Product installation: Compact size, easy to install, no left/right or positive/negative distinction; includes a mechanical emergency unlocking position Electromagnet life: More than 1,000,000 cycles under rated working conditions Elastic design: Adjustable elasticity, suitable for doors weighing 0.5-4KG Color: Black Material: Metal Package Contents: 1 set * Electromagnetic lock Only the above package content, other products are not included Note: Light reflection and different displays may cause the color of the item to appear slightly different from the real thing. Measurement allowed error is +/- 1-3cm