Specification BatteriesRequired : 1 Brand : Duluth Forge BulletPoint1 : VENTLESS DUAL FUEL TECHNOLOGY: Patented technology gives the option to fuel the Fireplace System with either Natural Gas or Liquid Propane; 32000 BTU Vent Free gas heater is 99.9% efficient; No outside duct or chimney is needed to heat up to 1500 sq. ft. BulletPoint2 : THERMOSTAT CONTROL: Easy-to-use thermostat automatically cycles the gas fireplace insert on and off to maintain a desired room temperature; Ideal for greater heat flow for the space heater in your room BulletPoint3 : STYLISH: 6 hand-painted realistic ceramic fiber faux fireplace logs ensure a long life for the indoor fireplace insert; Furniture-grade fireplace mantle features light distressing & burnishing; Double Mesh Doors & sprayed brick liner complete the look BulletPoint4 : DIMENSIONS & INCLUDED ITEMS: 15" H x 45" W x 45" D; Clearance from the top of the fireplace to the ceiling must not be less than 42''; Includes 6 ceramic logs, iron grate, 1 AAA battery; Weight - 153 lbs. BulletPoint5 : SAFETY FEATURES: Battery-assisted Piezo ignition with built-in pilot oxygen depletion sensor (ODS) immediately shuts down the Ventless gas fireplace logs if carbon monoxide or lack of oxygen is detected; Push button Piezo ignition Color : Nutmeg ExternallyAssignedProductIdentifier : 7617970103568 ExternallyAssignedProductIdentifier1 : 815192022040 ExternallyAssignedProductIdentifier2 : 0815192022040 ExternallyAssignedProductIdentifier3 : 00815192022040 FinishType : Wood,Hand Painted Hazmat1 : DANGEROUS GOODS IN APPARATUS (gas) Hazmat10 : DE_Unregulated Hazmat11 : EG_Unregulated Hazmat12 : ES_Unregulated Hazmat13 : FR_Unregulated Hazmat14 : GB_Unregulated Hazmat15 : IN_Unregulated Hazmat16 : IT_Unregulated Hazmat17 : JP_Unregulated Hazmat18 : MX_Unregulated Hazmat19 : NL_Unregulated Hazmat2 : UN3363 Hazmat20 : PL_Unregulated Hazmat21 : SA_Unregulated Hazmat22 : SE_Unregulated Hazmat23 : SG_Unregulated Hazmat24 : TR_Unregulated Hazmat25 : US_Unregulated Hazmat26 : ZA_Unregulated Hazmat3 : 9 Hazmat4 : AE_Unregulated Hazmat5 : AU_Unregulated Hazmat6 : BE_Unregulated Hazmat7 : BR_Unregulated Hazmat8 : CA_Unregulated Hazmat9 : CN_Unregulated HeatOutput : 32000 btus IncludedComponents : burner,logs InstallationType : Built In ItemName : Duluth Forge Dual Fuel Ventless Fireplace Insert - 32,000 BTU, T-Stat Control Model FDF400T-ZC ItemPackageDimensions_Height : 121.92 centimeters ItemPackageDimensions_Length : 91.44 centimeters ItemPackageDimensions_Width : 101.6 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : gas-fireplaces ItemTypeName : Ventless Gas Fireplace System with Mantle, Thermostat Control, 6 Fire Logs, Use with Natural Gas or Liquid Propane, 32000 BTU, Heats up to 1500 Sq. Ft. Manufacturer : Factory Buys Direct Material : Ceramic Fiber Logs MeasurementAccuracy : 0.1mm ModelName : Dual Fuel ModelNumber : DFS-400T-4NG MountingType : Tabletop NumberOfBoxes : 2 NumberOfItems : 1 PackageLevel : unit PartNumber : FDF400T-ZC PowerSourceType : Battery Powered ProductDescription : Electronic Clock Alarm Temperature Humidity Meter Comfort Display Large LCD Screen USB Charging Snooze Function ℃/℉ clock temperature humidity temperature humidity meters gauge indoor Features: Digital clock with temperature humidity display, you can set 3 alarms for different needs.snooze function. Measuring indoor and outdoor temperature and humidity, and conversion. With stand/wall mount design, you can put it in your desk it up & save sapce. Features backlight and making it easier to read in dim light conditions and simple operation. Large lcd display screen provides you a clearer and wider field of view. Suitable for bedroom, hotel, apartment, offfice, etc.