Unverified80% confidenceCautionTime unknown
多日无补给的荒野穿越不建议只依赖纯充电式信号灯，一旦电量耗尽无法就地补给，应选可换电池或带太阳能/手摇备份的型号
1
Sources
80%
Confidence
Long-term
Relevance
-
First Seen
Sources
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