• Compass: Positioning abstract direction immediately
• Magnifier: Help magnify more details of the items
• Thermometer: This thermometer can provide you with temperature readings
• Whistle: Can help you when you are in danger or in emergency
• Wide Application: Great for hiking, camping, travel, etc
• Portable Size: Super compact design with keychain, convenient to carry

Specification:

• Size: 8.1*1.7*1.8cm (length*width*height)
• Material: High-strength, anti-fall and high-temperature resistant engineering ABS plastic
• Weight: 19g
• Function: compass, thermometer, magnifying glass, whistle
• Application: mountaineering, hiking, crossing and other outdoor sports and tourism