Model Number: EGE-ISSL-15W #5878 Brand Name: Esavior/SOLSON/OEM Key Specifications/Special Features: LED lamp power: 15W (1500-1650m)Mono solar panel: 18V/30W, lifespan 25 yearsBatteries type: LiFePO4 battery (12.8V/12Ah), lifespan 5 yearsMPPT controller, lifespan 10 yearsLED brand: Epistar, lifespan 50000hrsWorking time: bright mode >10hrs, dim mode >50hrsWorking temperature (°C): -30°C-70°CColor temperature (K): 6000KMounting height (m): 4-5mSpace between lights (m): 10-15mMaterial: aluminum alloyWarranty: 3 years