CONVENIENT TO USE - Patented rotating removable hinge makes adjusting the thermostat more convenient by eliminating the need to completely remove the cover EASY INSTALLATION - Lid can be removed for ease of thermostat installation; Can be mounted in any one of four directions. PATENTED HINGE - Includes high strength locking features to ensure that the lid cannot be removed when closed INCLUSIONS - Includes tumbler lock with two keys, mounting screws and anchors DIMENSIONS - 8-3/8 x 5-7/8 x 3 inches; Outer dimensions - 9-3/4 x 7-1/4 x 3-3/8 inches