This fully functional outdoor thermometer conceals a secret compartment with integrated hook—hiding spare keys or small valuables in plain sight. Cleverly designed to fool would-be thieves, the Secret Safe™ Indoor/Outdoor Thermometer’s hidden compartment slides open and closed, preventing accidental access to house or car keys, cash and more. The easy-to-read yard thermometer gives accurate temperature readings in Fahrenheit and Celsius, and features dual hanging slots for easy mounting, indoors or out. Combining the convenience of a real working thermometer and security of a hidden safe, this versatile thermometer and key holder is designed in weather-resistant plastic for use outdoors, in the garage or garden shed, or any room inside your home. Thermometer key safe measures 6 1/8"L x 1 7/8"W x 1"H.