This survival kit is the perfect gadget for the camper， hiker， survivalist， boy scout， or outdoors man.10 Different Functions: Compass， Fire Starter， Ruler， Whistle， LED Light， Temperature Meter， Humidity Meter， Magnifying Glass， Metal Plate Reflector， Leveler10in1 kit provides most of the items a person would need if they were lost in the wildernessMaterial: ABS plasticSize: 70mmX40mmX23mm (length X width X height)