Enclosure Enclosed Back Indoor Outdoor Color Clear Material Polycarbonate Mounting Surface Width 10 in Depth 10 in Height 5 1/4 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 Enclosed Deep Back Box Exterior Thumb Lock Gaskets Mounting Hardware