ORIA Refrigerator Thermometer, Wireless Digital Freezer Thermometer with 2 Wireless Sensors, Wireless Indoor Outdoor Thermometer, Audible Alarm, Min and Max Display, LCD Display for Home, Restaurants Description Features: Note1. The host and the transmitter can receive good reception within 100 meters of the unobstructed distance. Indoor temperature detection range -10C-60C (32F-122F); Outdoor sensor temperature receiving range -40-60 (-40F-140F); 2. After the temperature alarm is turned on, the alarm function will not be activated until 10 minutes later (when it is just turned on, no matter whether the temperature reaches the alarm temperature range at this time, it will not alarm) Max/Min Temperature The Max/ Min temeprature data will update every 24h. Pls be attention that the product cannot hold the max/min temperature all the time. The product is not support to view all the recorded previous temperatures. You can press button "clear" once quickly to remove the Min/Max temperaturen data. And it will update to the new data. Alarm With audible alarm, you can set the maximum and minimum alarm value manually. It can ring when the temperature value reaches at the point of limit max or min alarm value that you pre-set. Easy Use There are 6 function keys on the main unit and signal indicator on the transmitter, you just press the corresponding key to turn on/off the alarm, switch the Celsius or Fahrenheit. With integrated magnets, a hanging hole and a bracket at the back, you can put the main unit in refrigerator door, hang on the wall or stand on the table. Please install the new battery to make sure the accuracy. Heartwarming Reminder If there are any problems with the use or function of the product, or if the product is defective/damaged, please contact the seller first, we will do our best to solve the problem for you. Product Details: Brand: ORIA Special Feature: Alarm Color: White Age Range (Description): Adult Included Components: 1 Thermometer, 2 Wireless Sensors Outer Material: Plastic Display Type: Digital Connectivity Technology: Wi Fi Product Care Instructions: Freezer Safe, Wipe Clean Unit Count: 1 Count Brand: ORIA Special Feature: Alarm Color: White Age Range (Description): Adult Included Components: 1 Thermometer, 2 Wireless Sensors Outer Material: Plastic Display Type: Digital Connectivity Technology: Wi Fi Product Care Instructions: Freezer Safe, Wipe Clean Unit Count: 1 Count Power Source: Battery Powered Number of Batteries: 2 AAA batteries required. Item Length: 3.7 Inches Upper Temperature Rating: 60 Degrees Celsius Response Time: 500 Milliseconds Reusability: Reusable Brand Name: ORIA Model Info: WA50 Item Weight: 7.4 ounces Country of Origin: China Item model number: WA50 Batteries: 2 AAA batteries required. Is Discontinued By Manufacturer: No Part Number: OUS-HY-WA50 Special Features: Alarm Batteries Included?: No Batteries Required?: No Battery Cell Type: Alkaline Date First Available: March 7, 2018