Sun Company HikeHitch 1 - Thermometer Carabiner | Camping, Hiking, & Backpacking Accessory HANDY CARABINER CLIP - Clip onto jacket, parka, or pack. EASY TO READ THERMOMETER - At-a-glance weather report. Thermometer reads in both Fahrenheit and Celsius. COMPACT SIZE - The small size of HikeHitch 1 makes it the perfect keychain or backpack accessory.