Why should you buy our Energizer 100-Watt inverter. Other inverters create lots of noise, the EN100 has a built in copper heatsink which eliminates the annoying fan. Our adjustable pivoting head allows you to adjust the inverter to a more comfortable position in your vehicle. You can't go wrong with Energizer! We believe in our product and quality and we offer the warranty that proves it - "2 Years parts and labor warranty" Product Specification: 100 watt of continuous capacity and 200W Peak. Don't just take our word for this inverter's rating, this item has been tested, validated and approved by ETL for both its safety and performance. Input Voltage: 12V DC, Output voltage: 110V~120V. Dual USB with 2.1A shared The built in USB Charger has enough power to run any iPad, iPhone or Android device such as a Samsung Galaxy, Sony, HTC, LG, Nokia, Motorola and more.