The Lever Handle Lock, model 2835, is a keyless exterior door lock with lever designed for use by individuals with fine motor, grasping, or upper extremity disabilities. This lock has levers on the inside and the outside, with a passage function that allows the outside lever to remain unlocked while the function is set. To enter from the outside while the door is locked, the user punches in the secret code, then pushes down on the lever. To exit, or to enter while the door is unlocked, the user pushes down on the lever and opens the door. The lock can be changed from right- to left-hand doors by loosening the set screw and changing the lever from right to left. This lock is weather resistant and comes in a marine grade finish which caters to saltwater environments. OPTIONS: Double Combination model (model 2835 DC) with a combination, lever, and passage on both sides; extension kits for thicker doors up to 5 inches thick. DIMENSIONS (HxDxW): 5.5 x 2.25 x 1-5/8 inches on both inside and outside; with trim plate, 6.5. x 1.5 x 2.5 inches. Lever is 1 inch high x 4 inches wide. COLOR: Antique brass, bright brass, satin chrome, satin nickel, or jet black. WARRANTY: Lifetime guarantee on the mechanics of the lock.