【12V DC TO 120V AC POWER CONVERSION – NO BATTERY INCLUDED】: This 2500W pure sine wave inverter converts 12V DC power from your battery into stable 120V AC household electricity. It does not store energy and does not include a battery — it functions solely as a power converter for RVs, trucks, boats, and off-grid systems. 【AUTO TRANSFER SWITCH TO SHORE POWER (≈12ms)】: Automatically switches between 12V battery power and 120V shore power within approximately 12ms to keep your appliances running without interruption. Ideal for RV owners, truck sleepers, and mobile setups requiring seamless AC continuity. 【2500W CONTINUOUS / 5000W PEAK PURE SINE WAVE OUTPUT】: Delivers clean, grid-like power safe for sensitive electronics including laptops, CPAP machines, TVs, refrigerators, coffee makers, and small appliances. No buzzing, no waveform distortion — just stable AC output. 【BUILT-IN MULTI-PROTECTION SAFETY SYSTEM】: Advanced protection against overload, short circuit, overheating, over-voltage, and low voltage. Spark-free circuitry ensures safe connection and reliable performance for mobile and emergency power systems. 【REMOTE LCD CONTROLLER FOR EASY MONITORING】: Includes a 15ft wired remote control with LCD display to monitor voltage, output status, and fault alerts. Easily turn the inverter on/off and manage system status from inside your RV or vehicle. 【WHAT YOU GET 】: 1× 2500W 12V Power Inverter, battery cables, user manual. Backed by 12-month professional support with 24/7 customer service, our team is always available to help you troubleshoot issues and provide real solutions whenever you need assistance. OLTEANP 2500W Pure Sine Wave Inverter with Transfer Switch, 12V DC to 120V AC Converter with AC Outlets, USB Port, Type-C Port, Remote Controller, Power Inverter for RV,Truck, Vehicle, Power Outage