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

Superior Efficiency: Featuring premium monocrystalline cells with ≥23% conversion efficiency, this 2pcs * 400W mono solar panel converts more sunlight into usable energy, ensuring efficient power generation for steady power output and fast devices charging,Easy Connection: Designed with a built-in MC4 cable for quick, safe connection, this monocrystalline PV module easily connects to controller and battery, ensuring stable and consistent power output (Only the solar panel is included; controller, battery and alligator clip purchase separately),Enhanced Durability: Built to last with tempered glass and anti-corrosion aluminum frame, our high-efficiency solar panel features IP65 protection rating and operates reliably from −4°F to 149°F, delivering long-lasting performance in outdoor environments,Wide Applications: Ideal for flat installation on garden houses, shed roofs, farms, yards, flat-roof vehicles, and off-grid cabins, this 800W (2pcs x 400W) high-power solar panel kit with black frame is well-suited for households with larger, long-term electricity needs,Friendly Reminder: Mounting brackets are not included. If you want to secure it for stable, long-term power supply, please purchase proper mounting brackets separately and reinforce it firmly yourself to prevent it from being blown away in strong winds