Outdoor camping, night climbing, adventure, lost in the wild, the most lack of three:
· Lighting (outdoor lamp itself);
· SOS voice (survival whistle);
· Long-distance reflective distress (signal mirror);
One machine with multiple lighting for help and double guarantee; Outdoor lamp has built-in high-frequency survival whistle hidden small signal mirror three-in-one, which directly fills the safety attribute.
Simple design, only for learning exchange;