Sets of Digital Waterproof Digital Refrigerator Thermometers with Easy-to-Read LCD Display-Sets of Digital Waterproof Digital Refrigerator Thermometers with Easy-to-Read LCD Display. GREAT FOR FRIDGE - Temperatures range from -20°C/-4°F to 60°C/140°F, allowing you to use it in your fridge, freezer or regular room thermometer. Operation is very simple - this is the simplest electronic thermometer on the market with only two buttons. Just press the on/off button to turn on the thermometer and select degrees or fahrenheit. (includes a CR2032 battery) BIG DIGITS - With just a glance from the other side of the room, you can easily read the display with big bold numbers. Great for people with poor eyesight. The temperature range is from -20°C/-4°F to 60°C/140°F, allowing you to use it in the refrigerator, freezer or room temperature meter. Magnetic backrest, stand and hook for hanging - 3 different placement options, either stick it to the refrigerator door with the back magnet, or use the stand to place it on the tabletop, finally you can flip the stand over and hang it with Hooks on the refrigerator shelf or refrigerator.