นกหวีด + เข็มทิศ + แว่นขยาย +ที่วัดอุณหภูมิ อุปกรณ์แคมป์ปิ้ง 4in1

Features: - It can use as a whistle, a magnifier, a compass or a thermometer. - As a compass, it can give you the right direction. - As a magnifier, you can use it to see small things. - As a whistle, you can use it to let rescue people know your position. - It can also used as a thermometer, it can measure temperature at - 30 to 50 Centigrade or - 20 to 120 Fahrenheit. - With a key chain, it is more convenient to bring with. - It is waterproof and shockproof. - It is suitable for camping. Material: ABS plastic Color: Military green Dial Display: Pointer Carrying Mode: Hanging Ring Type Use: Level Temperature Measure Range: - 30 ~ 50 Centigrade / - 20 ~ 120 Fahrenheit Outdoor Activity: Camping Package Dimensions(L x W x H): 85 x 32 x 22mm Package Weight: 20g Package Content: 1 x Survival Tool #Survival Tool #Camping Tool #Camping # whistle #magnifier #compass #thermometer