WH0281 Wireless Digital Indoor/Outdoor Thermometer Monitor with 3 WH53 Temperature Transmitters and Display

• 1 YEAR WARRANTY: This digital thermometer allows you to get fast & accurate indoor and outdoor temperature readings to monitor multiple rooms of your home wirelessly.
• 300FT Transmission Range: The outdoor thermometer can receive and display temperature from up to 3 outdoor remote sensors(included) at different locations.
• Easy to Read: With 12/24 hour digital time display on a large LCD screen and Max/min records for indoor outdoor temperature since last reset, allows you to check the temperature condition at a glance. Also includes an alarm clock.
• Portable Size: Small and compact design with table stand and wall-mountable hole, easy to place.
• Can be placed in a greenhouse, baby room, nursery, office, hatchery cellar, basement and more. 
• Energy Saving and Eco-friendly: Powered by only 4 AA batteries (one for receiver and one for each outdoor sensor)

NOTE: The default temperature unit is Fahrenheit, you can switch to Celsius on the setting mode.

Specifications:
Transmission range: 300ft /100m(no interference, barriers or walls) 
Frequency: 433 MHz 
Update Rate: 60 seconds 
Indoor temperature range: -14°F ~140°F (-9.9°C to 60°C) 
Outdoor temperature range: -40°F ~140°F ( -40 °C to 60°C) 
Accuracy: ±2°F (±1°C) 
Power consumption: 
Base station: 1x AA battery (Not included) 
Remote sensor: 1 x AA battery for each (Not included) 

Package List:
1x base station + 3x WH53 remote sensors + 1x user manual