Adams Rite eForce-150 Powdercoat Dark Bronze Finish Keyless Entry Electric Lock, 1-3/4" Width x 15-3/8" Height (Pack of 1) Surface mounted with concealed fasteners Field selectable handing. Full outdoor rating: temperature range from -31F to 151F (-35C to 65C) Free-wheeling lever with clutch to prevent vandalism Mortise cylinder control (1-inches to 1-1/2-inches range with AR/MS cam) Die cast housing and lever