一次充电后光源连续照明时间长达8小时，免除频繁充电的烦恼，满足长时间当班工作的要求。
After being charged, the light source can provide up to 8 hours of continuous lighting, which can avoid the troubles of frequent charging and satisfy the requirements of long-time continuous work.
照明时间长，可连续使用24小时以上。
Lighting for a long time, can use continuously 24 hours above.
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