【2 Wireless Sensors for Different Places】- With built-in console and 2 remote sensors, you can place sensor in fridge or outdoor. Wireless fridge thermometer can display indoor temperature and 2 groups of fridge/zer or outdoor temperature simultaneously, it means the display will show 3 temperatures at the same time. 【Sound Alarm Function】- Equipped with an audible alarm, when the temperature exceeds the preset minimum and maximum alarm value, thermometer will issue an audible alarm to remind you and your family to know the temperature variations and make certain changes over time. /p> 【 3.6Inch HD Large Screen & Record Min and Max】- Indoor outdoor thermometer with HD LCD display. Large data for comfortable viewing day and night. Record and display max/min temperature. Indoor: 10-60°C; Outdoor: 40-60°C; Transmission Range: 30M / 98.4ft (open area). Press “°C/°F” key to switch Fahrenheit or Celsius 【 Battery Powered & Intimate Service 】 The main unit requires 2 * AAA (not included), 9.5 * 8 * 2 cm; Each sensor 2 * AAA (not included), 10.5 * 3.5 * 1.5cm. 【 Easy Installation & Widely Used 】 You can place the sensor in fridge or outdoor. on the main unit, there is a hanging hole and a bracket on the back, you can hang it on the wall or stand on the table. Product Description Thermometer: – Power supply: 2 AAA batteries (not included) – Dimension: 9.5 * 8 * 2 cm (3.7 * 3.1 * 0.8in) – Weight: 100g Sensor: – Power supply: 4 AA batteries (not included) – Dimension: 10.5 * 3.5 * 1.5cm (4.1 * 1.4 * 0.6in) – Weight: 38g (each) Attention: 1. While the indication is blurry, please change the battery. 2. Do not place this product in a hot, humid, dusty or full of corrosive gas place, in case its electronic components are damaged. 3. It will not alarm at the same time when the temperature exceeds the preset value. It will compare the temperature after 10 minutes. And when the temperature reaches the alarm value, the thermometer will immediately alarm. Package Contents: – 1 x Base Station – 2 x Sensor – 1 x User Manual