Product material: The shell is formed of Metal plate, and the internal parts are precision-casting of carbon steelWorking mode: (locking when closing the door when is off, unlocking is triggered when is on)Mechanical life: under design load conditions, more than 500,000 timesSurface treatment: design load plating electrophoretic paint (neutral smoke test for more than 500 hours)Ambient temperature: This product is suitable for high temperature +60 degrees, low temperature -40 degrees ambient temperatureSafety: The lock hook can withstand 150KG pulling force without obvious permanent deformation; it has anti-vibration and anti-pry performanceProduct installation: The product is small in size, easy to install, no left and right, positive and negative; and a mechanical emergency unlocking position is reservedElectromagnet life: more than 1000000 under rated working conditionsSelf-elastic design: adjustable elasticity, suitable for self-elastic doors weighing 0.5-4KGColour:blackMaterial:MetalPackage Contents:2 set x Electromagnetic lockOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.