... efficiency 4.Full Color Temperture Grille Spotlights Low Frequency Electrodeless Lamp Commercial Lighting Details: Place of ... 000hBrand Name: FengyunShape: RectangleCertification: CE,RoHS,FCC,ISO,CCCLow frequency: 230KHZVoltage: 85-277VOperate temperature: -40to50°CPackaging & Delivery ... . 3,Enviromental protect. 4,Energy savingFengyun low frequency induction lamp for flood lampWell suited for high ...