【Expandable Capacity】The bundle comes with Delta Pro 3600Wh Power Station, a 1800W Smart Generator and an adapter. A single DELTA Pro unit packs a 3600W AC output, which can be expanded up to 4500W with X-Boost technology. Power 99.99% heavy-duty devices at home, outdoors, or at work. The 1800W smart generator with a 4L/1.05GAL gas tank, can generate 5.4kWh to run for 3.5hrs. With either LPG (Propane) or gas, you’ve got two energy sources..【High Efficiency】When the dual fuel inverter generator paired with DELTA Pro, you'll get a 40% efficiency gain, saving you fuel, producing fewer emissions, and charging your batteries.That's down to direct DC-DC charging (10%) and X-Stream Charging tech (30%). With that, you can charge DELTA Pro to full in 2.7 hours. The efficiencies don't stop with charging either..【Smart Control&Monitor】Automated on/off when connected to your power stations and power kits; Digitally integrated into your EcoFlow ecosystem with EcoFlow app; Real-time running specs shown on LCD screen/APP about fuel level, alerts, maintenance notice, LPG consumption..【Easy Operation】There are 4 ways of easy start: Electric start, Auto-start, App Start and Manual Start. Start engine with 1-click via the 4 modes, you can start your LPG experience in a snap. Once connected via Bluetooth or WiFi, the app opens up a ton of control. Set your battery level for auto-start, control DC output levels, remote start or stop your unit, and switch on Eco mode, all while getting a full suite of monitoring. Ideal for home or for camping as you control from afar..【Safe to Use】The Smart Generator (Dual Fuel) keeps you in the know with a carbon monoxide detector, fuel alert, engine oil alert, temperature protection, overload avoidance, and a whole lot more. All are clearly visible with indicators on the unit, and all (excluding fuel alert) can trigger an auto-shutdown to keep you and your batteries safe..【15 Versatile Outputs】DELTA Pro includes 15 outlets and ports: 5*AC outlets, 4*USB-A ports, 2*USB-C ports, 2*DC ports, 1*car power output and 1*Anderson port. Power all your devices such as cell phone, iPad, tablet, camera, radio, projector, night light, mini fan and so on..Kindly note that the power station and the dual fuel generator will be shipped in different packages.