| 摘要 |
PROBLEM TO BE SOLVED: To provide a flashlight which has two lights connected to respective batteries and one of them is variable in the lighting direction in accordance with the purpose. SOLUTION: The flashlight has two lights and one of them is variable in the lighting direction vertically and laterally. This flashlight lights a wide range of area and makes us safe to walk after dark by lighting ahead with one light and lighting our step with the other light. The flashlight lights the area in accordance with the purpose by varying one light vertically and laterally. |
