The durable construction allows the inverter to work in harsh environments. It can be used to operate a variety of electrical appliances such as lighting, kitchen appliances, microwave ovens, power tools, TVs, TVs, radios, and computers. The car battery voltage converter provides stable AC power, perfect for holidays, trips, camping and wherever you are. Characteristics: Reliable sine waves: The inverter provides stable, clean sine waves with voltage from 12V to 110V/220V without deformation, generating continuous and stable power, making connected devices work more stable, efficient and durable. High efficiency: Equipped with AC sockets and 2 USB ports for universal charging. High conversion efficiency > 85%. The nominal output power of this device is 500W, which can certainly be realized in reality. LED display and intelligent protection: Indicate operating status and playback conditions at a glance. Protection against overload/turn/overheat/low or excessive input voltage. Make your batteries and devices safer. Multimedia player: Built-in amplifier speaker, supports BT 5.0 wireless transmission and supports lossless melody in MP3/WMA/WAV/FLAC/APE format. The function key allows you to switch between different playback modes. Wide application: The sockets are designed for inserting large-sized plugs. Dual USB ports are ideal for charging laptops, phones, fans, gaming consoles, TVs, etc. Ideal BT speaker for use on holidays, business trips, camping, at home or outdoors. Technical data: Type: 220V Material: Metal Kolor yellow Product Size: 200*100*78mm/7,87*3,94 * 3,07 inch Product Weight: 650 g/22,93 oz Package Weight: 700 g/24,69 oz List of things to pack: 1 * Inverter 1 * car cigarette lighter plug 2 * battery clamp