Product material: The shell is formed of Metal plate, and the internal parts are precision-casting of carbon steel<br> Working mode: independent (locking when closing the door when power is off, unlocking is triggered when power is on)<br> Mechanical life: under design load conditions, more than 500,000 times<br> Surface treatment: design load plating electrophoretic paint (neutral smoke test for more than 500 hours)<br> Ambient temperature: This product is suitable for high temperature +60 degrees, low temperature -40 degrees ambient temperature<br> Safety: The lock hook can withstand 150KG pulling force without obvious permanent deformation; it has anti-vibration and anti-pry performance<br> Product installation: The product is small in size, easy to install, no left and right, positive and negative; and a mechanical emergency unlocking position is reserved<br> Electromagnet life: more than 1000000 under rated working conditions<br> Self-elastic design: adjustable elasticity, suitable for self-elastic doors weighing 0.5-4KG<br> Colour:black<br> Material:Metal<br> Package Contents:<br> 1 set * Electromagnetic lock<br> Only the above package content, other products are not included.<br> 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.