Description
The 4 in 1 multifunctional compass key chain is a versatile tool that includes a whistle, compass, hygrometer, and magnifying glass. It also has a built-in thermometer with a temperature measurement range of -30 to 50 degrees Celsius or -20 to 120 degrees Fahrenheit. The compact design makes it convenient to carry and it can be used for various activities such as travel, parties, and outdoor adventures.
Functions:
1, whistle
2, refers to the north (south) needle
3, hygrometer (environment temperature know fairly well)
Built-in thermometer
Temperature measurement range: - 30 to 50 ? or - 20 to 120 degrees Fahrenheit
4. A magnifying glass (hide) This small whistle and also with the compass, the function of the thermometer, and equipped with hang buckle, can go to the lavatory to hang in his loins, and convenient to carry. In the wild, this a few are very necessary tools, can provide timely help
This product is suitable for travel, party, field activities and various competition activities to use.
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