The Baldr Wireless Thermometer/Hygrometer means you can moniter your rooms temperature and humidity, from the comfort of your couch, bed or anywhere within 100M of your sensor

•  
• Indoor and outdoor temperature display thermometer
• Indoor and outdoor humidity display hygrometer
• Indoor temperature range: -9.9~+59.9 C; outdoor temperature range:-39.9~+69.9 C
• Temperature accuracy +/-1.5 C under working temperature 0-50 C, resolution 0.1 C
• Relative humidity range: 20%~95%, resolution 1%
• Records max/min temperature and humidity (indoor and outdoor)
• Comfort level indicator
• Low battery indicator
• Time display in 12 / 24 hour
• White backlight will light for a few seconds after you press light button on top
• Position Method: table standing or wall hanging
• Main unit: powered by  3 x AAA batteries (not included)
• Remote Sensor: powered by 2 x AAA batteries (not included)