Features:

Indoor/Outdoor Readings
Heat Index and Dew Point
HI/LO Indoor/Outdoor Temperature and Humidity Records with time/date stamp
Indoor/Outdoor Temperature and Humidity Alerts
12/24 hour time setting
Calendar: Day, Month, & Date
3 Languages: English, French, & Spanish
Adjustable backlight (4 levels and OFF)
Programmable Auto Dim Backlight
Low battery indicators for station and sensors
Wall Hanging or Free Standing Option

Specifications:

Display

Indoor temperature range: -32øF to 99øF (0øC to 37øC)
Humidity range: 10% to 99% RH

Included TX141TH-BV2 Wireless Outdoor Sensor

Outdoor temperature range = -40 F to 140F (-40C to 60C)
Outdoor humidity range =10% RH to 99%
Transmission Range 300 ft (91 meters) open air RF 433MHz

Power Requirements:

Display: 5.0V AC adapter for primary power (included inside lower panel); Requires 2 "AA" Alkaline batteries for backup (not included)

Sensor: 2 "AA" Alkaline batteries

Dimensions: Display: 3.77" L x 1.14" W x 7.01" H
Sensor: 1.57" L x 0.82" W x 5.11" H