The Titus Tech OALHG (Horizontal On Air Light with Gold-Colored Metal Trim) provides a beautiful, practical means of indicating that a studio is in use. The light features a smoked glass window mounted in either a gold frame (silver also available #OALHS) which is attached to a solid oak wood mounting base. The warning “ON AIR” only appears when illuminated and is blacked out when not in use. Wiring is class-2 type low voltage. Letters are 1″ high.Titus warning lights are also available with “RECORDING” and in both horizontal and vertical formats.Dimensions:8 3/4″ L x 1 3/4″ W x 4 3/4″ H