This indoor/outdoor polycarbonate cover helps protect devices such as dual action pull stations, keypads for entry systems, intercom stations, emergency buttons, electrical light switches, duplex plugs, etc. The strong, durable construction takes the toughest knocks while it guards against accidental or intentional physical damage. This Universal Stopper is clear with a yellow message hood and enclosed flush back box. Cover is designed to comply with ADA and is less than 4 inches in depth. Other mounting options include a flush mount, surface mount or a waterproof Type 4X enclosed back box. The cover is also available without a horn housing or message hood. Universal Stopper has the same footprint as the Mini Stopper®, but has a larger interior and can accommodate most dual action pull stations. STI-13320NY FEATURES Indoor/outdoor cover protects against vandalism and accidental damage. 105 dB self-contained alarm. Complete with battery. Protects pull stations, keypads, intercom stations, emergency buttons, electrical light switches, duplex plugs, etc. Cover is molded from thick, super tough polycarbonate material. Sized to fit most pull stations. Includes a clear enclosed flush back box. High strength continuous hinge. Low profile - ADA Compliant. UV-stabilized to keep cover clear. No label on horn housing. Typical working properties of polycarbonate are -40° to 250°F (-40° to 121°C). Three year guarantee against breakage of polycarbonate in normal use (one year on electro mechanical and electronic components).