Model Number: EGE-ISSL-12W #3028 Brand Name: ESAVIOR / SOLSON/ OEM Key Specifications/Special Features: LED lamp power: 12W (1200-1320lm)Mono solar panel: 18V/12W, lifespan 25 yearsBatteries type: LiFePO4 battery (12.8V/9Ah), lifespan 5 yearsMPPT controller, lifespan 10 yearsLED brand: Epistar, lifespan 50000hrsWorking time: bright mode >10hrs, dim mode >48hrsWorking temperature (°C): -30°C-70°CColor temperature (K): 6000KMounting height (m): 4-5mSpace between lights (m): 10-15mMaterial: aluminum alloyWarranty: 3 years