1. 12W LED corn light 2. CE, ROHS 3.1 watt of generating power/ ... and Ordinary energy saving lamp Power (W) Electric Charge of ventures(USD)Family Electric ChargeONE MONTHA YEARPER MONTHONE YEARLED1W2W3W5W7W9W2,419.36USD48,387 ... , hotel, camping, Fisheries,Mine, factory, hospital and every place without electric.