VEVOR 2PCS 400W Monocrystalline Solar Panels, 23% High-Efficiency Mono PV Module with Stable MC4 Output & Aluminum Frame, IP65 Waterproof Solar Panel for Car Boat RV Flat Rooftop Off-Grid Applications High Conversion Efficiency Easy Wiring Built to Withstand Various Conditions Multi-Scenario Use High-Efficiency Solar Panel Strong Frame for Long-Lasting Use Solar Panel Power: 2pcs * 400W,Conversion Efficiency: ≥23%,Protection Rating: IP65,Operating Temperature Range: −4°F to 149°F / −20°C to 65°C,Item Model Number: 400W,Product Dimensions: 67.5 x 44.6 x 1.4 inch / 1715 x 1134 x 35 mm,Net Weight: 79.4 lbs / 36 kg