If the built-in electric field on both sides of the extraction electrode connected to the load and solar lawn lights R & D, the load will have a "photocurrent", so sunlight is converted into electricity. Lamps light the lamps at the bottom of the cable. Shandong lawn solar lights, solar Yi Gang (certified), solar lawn lights provided by Solar Co., Ltd. Qingdao Yi Gang. Qingdao Yi Steel Solar Limited (www.gangyisolar.com) is Qingdao, a leader in solar and renewable energy, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. Yi Gang leader in Qingdao with the staff warmly welcome all inquiries negotiations to create Qingdao Yi Gang a better future.