Enclosure Open Back Indoor Outdoor Color Clear Material Polycarbonate Mounting Flush Width 7 3/4 in Depth 2 1/4 in Height 5 3/4 in For Use With Keypads Annunciators Volume Controls Lighting Controls Etc. Operating Temp -40 Degrees to 250 Degrees F Features Clear Polycarbonate Multipurpose Lockable Enclosure Helps Protect Large Units Against Physical or Environmental Damage Includes Open Back Box Exterior Thumb Lock Gaskets Mounting Hardware