GAS HEATER 1.ODS safety system 2.Flameout protection device 3.Infrared radiant ... safety deviceRed piezo igntion and possitive valve(4 sections: off, 1 flame, 2 flames, 3 flames, 4 flames)Gas heat efficiency ... 4.2kW/hGas consumtion: 0.1~0.3kg/h1 year guarntee and 1% spare partsPackaging:Carton size: 460*410*755mmProdcut size: 425*345 ... a firm orderPictures: Factory: INFRARED RADIANT GAS HEATER HQ-1