Manufacturer Rofu International Model 8022-002-US28 Application For Double Doors Housing Dimensions 21″ x 2-5/8″ x 1-5/8″ (LxHxW) Armature Plate Dimensions 7-1/4″ x 2-3/8″ x 5/8″ (LxHxW) Door Type Double Door Voltage Field Selectable 12/24 VDC Holding Force 1500 lbs. (680 kg) Mounting Type Surface Warranty Limited Lifetime Warranty