Provides optimal light to ensure eye comfort while reading. Sturdy clip also works on tablets and e-books. Batteries included. This devices complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. www.energizer.com. www.energizer.ca. Questions? www.energizer.com; www.energizer.ca. Light made in China.