Discontinued replaced by GPSW300-12GFCI Inverter 12 Volt 300 Watt True Sine Wave Power Inverter that is reliable and heavy duty. Great clean power is supplied from this DC to AC power Inverter. GP 300 Pure Sine Wave Inverter 300 watts of Pure Sine Wave AC Power from 12 Volt DC Power The ultimate choice for appliances that demand a clean, pure source of AC power. With Sine Wave power, your audio, video and electronic equipment will run without buzzing or humming. For smaller loads under 300 watts, the GP Sine Wave 300 is perfect. Good for small loads that need the clean power of sine wave. Ideal for: - Televisions - Satelite Systems - Laptops - Most Small Load Power Equipment Why Buy A True Sine Wave Power Inverter? Model No. GP300-12 Continuous Output Power 300 Watts Surge Rating 450 Watts Output Waveform Sine Wave <3% THD Output Voltage 3% 115 VAC RMS Output Frequency 0.05% 50 / 60 Hz adjustable Input Voltage 10.5-15 VDC Efficiency 80 - 90% No Load Current Draw / Powersave 0.26 A Protection Overload, Short Circuit, Reverse OutsideSupply.com Over/Under Voltage, Over Low Battery Alarm 2% 10.5 V Low Battery Shut-Down 2% 10.0 V Operating Temperature Range 0 - 40C / 32F -104 Storage Temperature Range -30C - 70C / -22F Cooling Thermostatically Controlled AC Receptacle Dual Dimensions (LxWxH) mm 237 x 155 x 72 inches 9.3 x 6.1 x 2.8 Weight kg / lbs 3.5 / 7.7 Warranty 2 Years