"Provides 1000 and 1800 watts of sine wave AC power from a DC source Offering superior quality ture sine wave output, the PROsineTM 1000and 1800 stand-alone inverters are ideally suited for electrical systems that already have a quality multistage battery charger. Designed for recrestional and industrial applications, their 120-volt/230-volt, 60HZ/50HZ AC power output is capable of handing both heavy duty and smaller, multiple AC loads. PROsine inverters include a backlit LCD display panel, which can be mounted remotely. " www.fangpusun.com