Thermometer Compass Keychain includes the following features : 

• Thermometer (range of -30°C ~ 50°C and -20°F ~ 120°F)
• Compass with liquid-filled
• Keyring

Material :

• ABS body and acrylic cover

Size closed :

• Length of 4.5 cm x Width of 4.15 cm x Thickness of 1.1 cm