1) Material: ABS plastic, different color available
2) 3pcs LED, Illumination: 12,000-13,000MCD per pc
3) Motor type: Brush Motor (1 pc)
4)Cranking for power, stored by rechargeable batteries type: Li-ion Battery (3.6V, 1pc, long life and big capability)
5)Patented produc...
Products: environmental engineering courses,
environmental impact statements