Features 118W 18V Solar Panel: The solar panel kit has a power of 18W which can effectively convert sunlight into electricity with high efficiency and it is energy saving and environmental protection. 2Monocrystalline Solar Panels: The monocrystalline solar panels are made of aluminum substrate high efficiency chips and PET which have great corrosion proof and wear proof and are durable. 330A Solar Controller: The controller has a dual USB and automatic battery voltage identification. LCD display is for power and voltage display. Charge and discharge parameters can be self adjusted light control and time delay can be set. 4Circuit Protection: The controller prevents the battery from overcharging overvoltage discharge and short circuit reverse polarity protection fully protecting the battery. 5With Inverter: Solar power system kit is equipped with inverter which can make the solar energy better converted to electricity for you. Specification Item Type: Solar Power KitMaterial: Aluminum substrate high efficiency chip PET ABSWeight: Approx. 1814g/63.95oz Package List 1 x Controller1 x Inverter1 x Solar Panel2 x Battery Clip1 x Cigar Lighter2 x DC Cable1 x Car Charging Cable1 x DCClip3 x Instruction Manual