The panel is made of 3MM thick stainless steel and is brushed. Zinc alloy one-piece lock body, baking paint process.The rotating shaft is made of stainless steel, with high hardness and wear resistance, flexible unlocking without jamming, zinc alloy lock tongue, electroplating white nickel treatment.There is a micro-switch in the middle of the lock. When the door is opened or closed, the mechanical lock tongue touches this device to output the door sensor signal.All copper coil, low power consumption, low heat generation, durable and stable.Plug Type: US Plug, it applies to Canada, India, Mexico, Thailand, Taiwan, the United States, the Philippines and so on.Colour: as shownMaterial: metalPackage Contents:1 set x 12V 5-wire concealed electric lockOnly the above package content, other products are not included.Note: Light shooting 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.