ORIA Refrigerator Thermometer, 2 Wireless Sensors Indoor Outdoor Thermometer, Wireless Digital Freezer Thermometer, Audible Alarm, Min and Max Record,

Read more Read more Read more Feature 2 sensor transmittersIndoor/outdoor temperature, MAX/MIN records, and temperature trend indicator arrow. Set the Max/Min alarm value manually, warn you by buzzer.The main unit: stick on the refrigerator door, hang on the wall or stand on the desk.2 transmitters: clip to shelf, hang on or mount on the refrigerator. Specification Indoor Temperature range: 0__50_(32__122_)Outdoor Temperature range: -40__60_(-40__140_)Transmission range up to 30m (98.4 ft). (range maybe shorter based on interference present).Temperature test period: 10s.SENSOR1 Update Rate: 57sSENSOR2 Update Rate: 67s Main Unit Power Supplies: 3 x AAA batteries (not included) USB charging(included) Transmitter Power Supplies: 4 x AA batteries (not included) Note DonÕt disassemble the product freely.While the indication is blurring, please change the battery.DonÕt put this product in the place where it is hot, wet, dusty or full of corrosive gas, in case that the electronic components are damaged.It will not alarm at once when temperature exceeds pre-set. It will compare the temperature after 10 minutes. And when temperature reaches alarm value, the thermometer will alarm immediately.Pls kindly use high-quality batteries for main unit and transmitters, it’s more better. Package Included 1 x Main Unit2 x Transmitters1 x USB Cable1 x User Manual