Solar lawn by the solar panels (photovoltaic panels), super bright LED lamp (light source), maintenance-free rechargeable battery, automatic control circuit, lighting and so on. The main use of solar energy to do the job, when daytime sunlight on the solar cell, the light energy into electrical energy stored in batteries, and then in the evening to provide power to the lawn of the LED (light emitting diode) for battery . Its main advantage is safety, energy saving, convenient, and environmental protection. Green grass for residential community beautification lighting decorations, park landscaping lawn ornament. Jin Hui lighting Advantage: First, focus on brand Jin Hui lighting focused on solar lawn for 15 years, more than 300 kinds of categories, thousands of products, it is absolutely a right for you! Two advantages, strict process control incoming rigorous testing, strict reject nonconforming materials, strict aging detecting long, to ensure long-term stability lamps Three advantages, fast shipping, to ensure prompt delivery at reasonable prices, cargo security, to ensure that Lead product reaches the customer hands within four advantages, service, security services free technical advice, new products or other products to provide professional for you to answer: http: //www.jinhuizm.com