Wagan EL9863 300-Watt Pure Sine Wave Inverter Designed to provide overload and short circuit protection Less sensitive to the interference from other electronic devices Wide range of application including remote homes, RVS, sail boats as well as power boats Requires 600 watt peak surge power, 300 watt continuous power to power a laptop, fax machine, TV, stereo Consists of a fan that allows heat dissipation