http://www.zcscitech.com/sine-....wave-inverter/pure-s Customized Pure Sine Wave Inverter Size: Smart series pure sine wave inverter 300W Product Features: 路Anodized alluminum case provides durability & max heat dissipation 路DC cigarette lighter accessory plug and heavy -duty cable clamps for high-output direct battery connections both included. 路Automatic restart function. 路USB output port : 5V500mA (optional ) 路ON/OFF switch control the inverter by hand 路The inverter is compact , light weight and easy to operate. 路Loads can be powered directly from the AC outlets. 路The inverter is equipped with numerous protection fe