Mortise Type Remote Opener: Reversible for right or left hand door. Use with mortise entrance locks having a latch bolt with up to 1/2" width and throw. 6" wire leads Rim Type Remote Opener: Reversible for right or left hand door. Standard surface type used with lock latches with up to 5/8" width and throw. 6" wire leads Magnetic Switch Contacts: For activating a variety of signals, ideal for limiting space applications. Self-insulating and can be mounted in any direction. All units include companion magnet. Dimensions: 23/16”L x 1/2”W x 1/2”D Door/Window Contacts, Rolling Ball Type: Signals automatically with the opening and closing of doors, windows and transoms. Operates from pressure in any direction. Non-tilt, non-jamming design. Fits 3/4" hole; no need to mortise Electric Door Switch: For turning lights/signals on or off when doors are opened or closed. Ideal for closets, dark rooms, storage areas of walk-in refrigeration. Rust resistant steel case with 4 knockouts, antique brass plate. Box dimensions: 11/4"W x 3 7/8"H x 2”D. Plate dimensions: 11/4”W x 4" Door Trip Switch: Signals automatically as door is openend. Commonly used on store doors to announce entrance of customers. Mounts on top of door frame. Solid cast brass. Size: 3 x 15/8“