Protective Cabinet Indoor Color Clear Material Polycarbonate Mounting Surface Width 16 1/4 in Depth 16 1/2 in Height 8 1/4 in For Use With Sensitive Devices Electronic Units Operating Temp -40 Degrees to 250 Degrees F Features Clear Polycarbonate Cover Equipped with 95/105dB Auto Siren Helps Protect Devices Against Theft Misuse and Vandalism Includes Backplate Siren Alarm Key Lock