Features:1. Easy to read LCD screen displays the current indoor outdoor temperature. When battery is low, it will be shown on the LCD screen.2. With a temperature trend indicator arrow and daily high and low information.3. Display stands upright for tabletop use or wall-mountable.4. Includes 24 hours high and low records for temperature.5. The display console displays temperature, minimum and maximum temperature, which can be reset manually.Specifications:1. 433 MHz transmission frequency2. Update Rate: 10 seconds3. Transmission range up to 328 ft(range maybe shorter based on interference present)4. Indoor Temperature range: 0~50 (32 ~122)5. Outdoor Temperature range: -40~60 (-40 ~140)6. Power Supply: AAA Battery(Not included)Note:1. Do not install the batteryreverse2. Do not put the receiver near metal3. Avoid transmitter directly in the rain4. Use high quality batteries5. The sensor search mode allows you to re-sync sensors without removing and re-inserting batteries.How to install the sensor:The thermometer's digital display is magnet-mountable on a fridge, oruse the integrated keyhole for wall mounting. The wireless thermometer sensors are equipped with a spring-loaded clips with a Plastic grip to securely attached to the edge of a shelf.Package includes:1 x Host2 x Sensor1 x Usermanual