The Generac Guardian Series Air-Cooled Home Standby Generator protects your home automatically 24/7. Runs on natural gas or liquid propane (LP) fuel, and sits outside just like a central air conditioning unit. No refueling, no manual starting and no extension cords are necessary. Delivers power directly to your home’s electrical system, backing up your entire home or just the most essential items. Tool-less fuel conversion, internal main circuit breaker and system status LED. Mobile Link and remote monitoring systems available, sold separately.Assembled in U.S.A. with 24/7/365 customer support. Requires transfer switch, not included. Not intended for use as primary power in place of utility or in life-support applications. Read the owner's manual in its entirety before using this product.