The Lockpol 1400 1410 12-24V AC/DC with Electromagnetic Lock is a 12 to 24-volt AC/DC electric lock with adjustable hook and electromagnetic bolt that provides powerful holding power for security doors, drawers, windows, and vaults. This lock comes with an adjustable hook, meaning that the length of the hook can be adjusted to accommodate various door thicknesses for an even better fit. This lock operates on 12 to 24-volt AC/DC power, making it suitable for both residential and commercial applications. It is designed with an electromagnetic bolt and features a superior locking reliability, making it ideal for use in a variety of environments.