Inverts 10.5 To 15 Volt DC To 120 Volt AC; 1500 Watts Output/ 3000 Watts Surge; 88 To 91 Percent Efficiency; 2 Ground Fault Circuit Interrupter (GFCI) Outlets; Remote On/ Off Capable; Thermostatically Controlled Fan; With Overload/ Short Circuit/ Reverse Polarity (Fuse)/ Over Or Under Input Voltage/ Over Temperature; 14.6 Inch Length x 7-1/2 Inch Width x 3-1/2 Inch Height; GP-ISW1500-12