LKS1036 Features: * One-hour fire rating - tested at temperatures of up to 1100° F * Heavy duty steel hinges * Overall body thickness 2 ½" and overall door thickness of 2 7/8" * Large, easy to read illuminated LED screen on electronic keypad * External battery pack provided in case batteries fail * Interior drawer with separate key lock for smaller items (10" x 12" x 3") * 4 solid steel action locking bolts and 2 solid steel interlocking stationary bolts to prevent the door from being removed even if hinges are cut through * 2 key overrides provided in case of electronic failure or electronic lock out * External Dimensions - 23 11/16" H x 18 7/8" W x 18 7/8" D (20 ¼" D w/ hinges) * Internal Dimensions - 13 11/16" H x 13 1/8" W x 12 ¼" D * Cubic Feet - 1.5 * Weight - 185 lbs * Locking Bolts = Four 5/8" x 1 1/8" Thick * Mounting Holes - One Pre-Drilled Hole (Bottom Of Safe) Construction: * Solid steel construction