Lockpol's 1700 1721 24V DC Electromagnetic Lock is a 24VDC magnetic lock with reversing and switch capabilities. It is suitable for use in both residential and commercial areas, and is designed to provide secure locking solutions from unauthorized access. The lock features an electromagnetic module, and a housing to secure the magnetic components which are enclosed within a durable metal casing. It also features a manual release switch for additional security. This lock is built for long operation and can be used for both single and double doors. The lock is suitable for a wide range of applications, including doors, gates, hatches, drawers, safes, and more.