... lock: 1.black spray,DC12v 2.double connected cylinder with push button 3.brass cylinder,5 brass keys Black spray access control ... plated 8. Unlock when 12V DC power on, 3A 9. With double high temperature-resistant copper coil, 0.5mm cables 10 ... . Standard brass 5 keys, nickel plated11. Operating time: 0.5s12. Door thickness: 35mm~50mm 13. Authority certification: CE ...