SURFACE/AIR TREATMENT SYSTEM; VOLTAGE RATING 120 VOLT AC; POWER RATING 36 WATT; APPLICATION RETURN AIR/COIL IRRADIATION; OPERATING TEMPERATURE 30 TO 104 DEG F (OUTSIDE DUCT), 30 TO 140 DEG F (INSIDE DUCT) Air Treatment System UV Lamp Type Airborne Bacteria, Surface Mold, Sealed Wattage 36 Watt Nominal Length 7-7/16 Inch Approval UL Voltage Rating 120 Volt AC Temperature Rating -30 to 104 Deg F (Outside Duct), -30 to 140 Deg F (Inside Duct) Application Return Air or Coil Irradiation Features / Benefits Reduced Power Consumption and Extended Bulb Life Communicates with Other Home Appliances Through Enviracom Three-Wire Communications Bus Automatic Brownout and High Temperature Protection for UV Lamps Return Air Models Supplied with Integrated Airflow Sensor to Monitor Air Flowing Through Ductwork Dual-Purpose Reset Button - Commands Lamp on with a Single One-Second Push Resets Internal Lamp Run-Time Timer after Bulb Replacement with Extended Five-Second Hold Uv-C Light Kills Airborne Bacteria and Surface Mold UV Lamp Does Not Produce Ozone Easy Lamp Maintenance with Quick, Easy Bulb Replacement Sealed Unit Prevents Accidental Installer/Homeowner Contact with High Voltage and Ultraviolet Rays Safe Design Prevents Lamp from Lighting Unless Base is Correctly Mounted on HVAC Duct Lamp Light Indicator to Safely View Lamp Operation Power Cord that Plugs into 120 VAC Electrical Outlet