Magnetic Lock, Single, SPDT Contact, 3 Amp Relay Contact Rating, w/ Bond Sensor, Door Status Sensor, Bi-Color Status LED, Duronic Finish, 1200 LBS Maximum Holding Force, Selectable 12 Or 24 VDC, Magnet Size 10 1/2 X 2 7/8 X 1 1/2 Inch, Limited Lifetime Warranty