ULTRAVIOLET AIR TREATMENT SYSTEM.VOLTAGE:120,HERTZ:60,AMPS:0.75,36WATT LAMP,APPLICATION TYPE:RETURN AIR OR COIL IRRADIATION APPLICATION.CONTAMINANTS REDUCED:AIRBORNE BACTERIA,SURFACE MOLD,OPERATING TEMPERATURE(OUTSIDE DUCT F.):30degF TO 104degF.(-2degC TO +40degC.)OPERATING TEMPERATURE(INSIDE DUCT F.):30degF TO 140degF(-2 DEGc. TO +60degC,),DIMS:2 3/4"H X 6 7/8"W X 6 7/8"L, WEIGHT:3.75 POUNDS, IN MFG BOX, MADE IN CHINA.**(BULB IS INCLUDED)**