Do not spend money on lighting - reading books do not hurt the eyes - no power failure Do not use AC power or DC power. Just plug in the telephone line and you can illuminate. That is to say, this lighting does not require electricity to pay. As a flashlight manufacturer and wholesaler, we have many years of experience in producing and developing flashlights. 90% of our products are exported, and we have established partnerships with Wal-Mart, ALDI and other large supermarket chains, and we also supply to various professional outdoor tool companies, such as SBI, Carl Kammerling, etc. Our customers are all over Europe and America, and We are also slowly developing products for the Asian, African and Latin American markets. Led Torch,Led Plastic Torch,Plastic Handle Torch,Plastic Led Solar Torch Cangnan Younglite Electrical Co., Ltd. , https://www.younglitetec.com