Double voltage design, DC12V or 24V optional. 148x100x76.65mm / 5.83x3.94x3.02in. F54x8mm / F2.13x0.31in. The hand moves and closes the door to release the button. All kind of the single & double smoke proof door.Wooden door, metal door, fireproof door, glass door. The default setting is 24VDC.
If you want to connect with 12VDC, please refer to the picture. 1 x Electromagnetic door holder with bolt. This item is in the category "Home, Furniture & DIY\Home Security\Other Home Security".The seller is "fredstore13" and is located in this country: CN. This item can be shipped to United Kingdom, all countries in continental Asia, United States, European Union, Australia.