Solar Street Light Energy Conservation Control System is a Solar penal simple and powerful concept, . Light source type: LED, 6 Volt 2 Watts Solar Powered Panel Easy to operate in day also. Beast suited for Physics working model, school science project. You may refer product instructions/manual images for more details. This product will be shipped along manual which has details of how to perform various activities using this kit, theoretical concepts covered by them. As said by Benjamin Franklin "Tell me and I forget, teach me and I may remember, involve me and I learn’. This product provide Joyful and Meaningful Learning Experience. Such activities instill wonder and fascination towards science among young students. It help in igniting interest in subject and inculcate a scientific attitude in students.