ORIA Refrigerator Thermometer Wireless Digital Freezer Thermometer with 2 Wireless Sensors Audible Alarm Min and Max Display LCD Display for Home Restaurants Bars Black

Specifications Indoor Temperature range: -10??60?(14??140?). Outdoor Temperature range: -40??60?(-40??140?) Temperature test period: 10s. SENSOR1 Update Rate: 57s SENSOR2 Update Rate: 67s Note 1.Don’t disassemble the product freely. 2.While the indication is blurring, please change the battery. 3.Don’t put this product in the hot, wet, dusty or full of corrosive gas place, in case that the electronic components are damaged. 4.It will not alarm when temperature exceeds pre-set. It will compare the temperature after 10 minutes. Package Included 1 x Main Unit 2 x Transmitters 1 x User Manual