Compact 150W Car Caravan Power Inverter 12v 240v AC DC Sine Wave Can Cup Holder SizeThis Whistler can size Inverter with 150W capacity is perfect for powering and charging your electronic devices while driving. It is cleverly designed to fit in most car's drink holder, so it won't get in the way while you're driving on the open road. Get the power to use your small AC lights, phones and tablets in the wilderness,on the worksite, or anywhere off grid. It is the perfect companion if you're out camping of 4WDing with your mates,