Oregon Scientific BAR806HGA Helios Solar Weather Station at $48.99,
features a built-in solar panel that extends the battery life in the weather station by using energy from the solar cells. The Helios Solar Weather Station allows you to monitor the current temperature and humidity in up to 3 locations around your home, all while helping to save the environment outside.
Features:
Displays indoor/outdoor temperature and humidity (up to 3 channel)
Forecasts the weather for the next 12+ hours
Solar panel draws from ambient light to power the unit and extend battery life
Daily high/low memory for outdoor/indoor temperature and humidity
Ice Alert function: LED light blinks when outdoor temperature nears icy conditions
Atomic Clock function automatically sets and adjusts for Daylight Savings Time
Backlight for easy viewing in low light conditions
Features date and US time zones
Wirelessly transmits data from 100 ft. away
Signal frequency is 433 MHz
Outside temperature range: 4 degrees Fahrenheit to 140 degrees Fahrenheit (-20 degrees Celsius to 60 degrees Celsius)
Main unit requires 3 AA batteries (not included)
Remote sensor requires 1 AA battery (not included)