- DUAL SENSOR WIRELESS THERMOMETER: This advanced wireless thermometer features two remote sensors, allowing you to monitor temperatures in various locations at the same time. Ideal for keeping track of indoor and outdoor temperatures or checking the conditions of refrigerators and freezers without the hassle of wires. Enjoy real-time temperature readings at your convenience. - WIDE TEMPERATURE RANGE: Accurately measures temperatures from -40°C to 60°C (-40°F to 140°F) with a precision of ±1°C/±2°F. This makes it suitable for monitoring extreme temperature conditions in cold storage, wine cellars, and outdoor environments. - EASY SETUP AND USE: Installation is quick and straightforward. Simply insert 2 AAA batteries into the display unit and 2 AA batteries into each sensor (batteries not included). Press the "+" button to toggle between Fahrenheit and Celsius, and position the sensors where you need them. The clear digital display shows readings from both sensors at once. - CUSTOMIZABLE TEMPERATURE ALERTS: Set personalized high and low temperature thresholds for each sensor. Receive notifications when temperatures exceed your specified limits, ensuring optimal conditions for food storage, sensitive items, or maintaining a comfortable living environment. - PRACTICAL USE SCENARIOS: 1. Monitor indoor temperature while keeping an eye on your outdoor climate, ensuring your home stays comfortable year-round. 2. Track the temperature of your refrigerator and freezer to ensure food safety and quality. 3. Keep an eye on a wine cellar's conditions to maintain the perfect environment for your collection.