Yamaha EF6300ISDE 5500W/6300W 120/240V Electric Start Gas Inverter Generator With CO Sensor Scratch & DentThe Yamaha EF6300iSDE is ideal for emergency backup, recreational use, and DIY projects. It starts with ease with its electric starter, and is capable of running an RV air conditioner, microwave oven, and more all at the same time. Equipped with a CO sensor, it automatically shuts off when unsafe levels of carbon monoxide are detected, ensuring safe operation. Scratch and dent unit are unused, but may have physical damage. They may have scratches,