| 摘要 |
PROBLEM TO BE SOLVED: To provide an earthquake alarm device that automatically turns on a lighting device when an earthquake occurs at night or in other cases, and allows a user to carry a lighting unit to safely evacuate without worrying about the power source or search an evacuation tool when the earthquake occurs at night or in other cases.SOLUTION: The earthquake alarm device includes: a vibration sensor 21, a lighting unit 40, and a power source unit 50. The lighting unit 40 is attachable/detachable from a device main body, and includes a second battery 45 capable of being charged from the power source unit 50 via an external power source. When the lighting unit is detached from the device main body, the lighting unit emits light by receiving power supply from the second battery 45 on the basis of any operation. |
