BALDR Wireless Weather Station, Digital Thermometer & Hygrometer

• Window open/close indicator
• Touch buttons for easy operation
• Indoor and outdoor temperature.
• Indoor and outdoor humidity.
• Records max/min temperature and humidity
• Comfort level indicator.
• Low battery indicator
• Time display in 12/24 hours
• White backlight can light up 20 seconds. 
•  Wireless transmitters can sync signals up to 100 meters in an open area 
• Indoor temperature range:-10℃-50℃（14℉-122℉）
  Outdoor temperature range:-40℃~60℃（-40℉~140℉）
  Precision range  +/- 1.5℉
• Hygrometer inside: 20-95% 
• Hygrometer outside: 20-95%
• 1 remote sensor included, extra available to purchase.  The main unit can pair up to 3 sensors to monitor 3 different areas
• Powered supply: Main unit - 3 x AAA batteries; Remote sensor - 2 x AA batteries