for Touch screen Wireless Weather Station / Thermo meter Hygrometer with 3 Forecast Sensor Temperature Humidity Monitor Product Features: Measuring indoor and outdoor temperature and humidity, Celsius and Fahrenheit conversion Highest and lowest temperature humidity memory function View historical temperature and humidity data Connect up to 3 outdoor units (package with one outdoor unit) wo high magnetic magnets on the back of the main unit that can be attached to metal objects The back of the main unit has a bracket that can stand in a horizontal position High sensitivity for touch button control for easy operation Comfort indication, temperature and humidity trend indication HTN large screen no-view LCD display With backlight, the backlight is automatically turned off after 10 seconds without operation The outdoor unit can be suspended by hanging holes or standing on a horizontal surface. Outdoor unit XP4 waterproof Product parameters: Indoor temperature range: -4F - 158F (-20C - 70C) Outdoor temperature range: -40F - 158F (-40C-70C) Humidity range: 20%-95% Comfort display: dry, comfortable, wet Temperature display unit: C / F optional (default is C) Temperature resolution: 0.1 C / F Humidity resolution: 1% Refresh rate: 10 seconds. Error: temperature is plus or minus 1 C, humidity is plus or minus 5% Wireless reception range: 60 meters / 197 feet RF radio frequency: 433 MHz Power supply: AAA battery (shipping without battery) Host Size: 95 * 24 * 112MM Transmitter Size: 100 * 35 * 20MM Package included:(with retail package) 1 * Host Weather Station 1 * User Manual (English) 1/2/3 * Forecast Sensor Transmitter