... principle :With the application of weak-light solar panel, maintenance-free lead acid, Ni-MH battery, this insect killer can transfer ... , Tobacco, Grapes, Cucumber, Strawberry, Lychee, Orchard, Flowers, Coffee, Woods, Greenhouse, Fish pond, House Garden etc. Wide covered area One set of ... and so on can breed massively or even kill pests for food because of no chemicals is being used on farms. Therefore ...