2 Sensor Wireless Freezer Alarm Digital Thermometer LCD screen Indoor Outdoor

 Specifications: 1.433 Mhz transmission frequency2.Update Rate: 10 seconds3.Indoor Temperature range:0в„ѓ~50в„ѓ / 32 ℉ ~ 122℉ 4.Outdoor Temperature range:-40в„ѓ~60в„ѓ / -40 ℉ ~ 140℉ 5.Upper/lower limit alarm function for indoor temperature6.Upper/lower limit alarm function for the temperature in the double outdoor channels.  Features: 1.Easy to read LCD screen displays the current indoor outdoor temperature.When insufficient electricity,there are will be shown on the LCD screen.2.With a temperature trend indicator arrow and daily Max. and Min. information.3.Display stands upright for tabletop use or is wall-mountable.  Note: 1. Do not install the reverse battery.2. Do not put the receiver near metal.3. Avoid transmitter directly in the rain.4. High-quality batteries for the use of main unit and transmitter better.  Package Included: 1 x Host2 x Sensor1 x User Manual   More Details: