**Features:**1. Four groups of temperature and humidity display in one screen. 2. Temperature display in C/P 3. Touch buttons for easy operation 4. Records max/min temperature and humidity (4 groups) 5. Comfort level indicator 6. Low battery indicator 7. White backlight lit up for 20 seconds 8. 100 meters wireless transmitter in open area **Specifications:**Size:142x22x95mm (5.6×0.8×3.7in) Weight: 410g Color: Black & Silver Main Unit Powered by 3 x AAA batteries (Not Included) Remote Sensor Powered by 2 x AAA batteries (Not Included) **Package Included:**1 x weather station 3 x transmitters 1 x manual