Pull Station Cover w/Horn, Color Red, Material Polycarbonate, Mounting Flush, Width 5 1/2 in, Depth 2 5/8 in, Height 8 1/8 in, For Use With Fire Alarm Pull Stations, Keypads, Intercom, Buttons, Light Switches, Plugs, Operating Temp. -40 Degrees to 120 Degrees F, Voltage 9V, Features 95 to 105dB Horn, Includes Battery