Conceal your valuables and extra house keys with our Secret Safe Indoor/Outdoor Thermometer. The Secret Safe Thermometer is an actual working thermometer with a slide-open compartment for hiding small valuables in plain sight. Each Secret Safe has a built-in hook to hang your spare keys and is weather-resistant for outdoor use. Each thermometer gives the temperature in Fahrenheit and Celsius and has dual hanging slots for easy mounting. The Secret Safe Thermometer measures 6 1/8" x" 1 7/8" 1" with a hidden compartment that is the same size secret safes are an inexpensive and efficient way to hide keys or small valuations. Features: Functional Indoor/Outdoor Thermometer Hide Valuables & Spare Keys in Plain Sight Includes an Integrated Hook for Spare Keys No Accidental Access - Slide Open/Close Intended to fool the most determined thief Measures 6 1/8" x 1 7/8" x 1".