ADROIT Mini Thermometer and Compass on a Key Ring (PC-00350-Z03)- a compact yet incredibly precise device tailored for the adventurous soul. Designed for those who prioritize both functionality and portability, this device manages to pack impressive features into a small form factor. The compass, although only ½" (1.3 cm) in diameter, boasts exceptional accuracy, ensuring you always stay on the right path. Paired with this is the 1.5" (3.8 cm) thermometer, calibrated to provide readings from as low as -30°C to 120°F (48.9°C). Such a range ensures that whether you're braving the chilling winters or enduring the summer heat, you always stay informed. Its overall dimensions of 2.5" x 1" (6.4 cm x 2.5 cm) make it a perfect travel companion. What amplifies its convenience is the included keyring, allowing you to attach it to your keys, bag, or belt loop, ensuring you always have it by your side. Made with the meticulous quality that ADROIT is known for, this is a tool that doesn't just serve a purpose; it ensures you're always prepared.