Features indoor/outdoor temperature readings (°F/°C) with 330 ft range, indoor humidity monitoring (%RH), HI/LO temperature records, and trend indicators. Outdoor sensor measures temps down to -40°F. Clear display shows time in 12/24-hour format, temperature, and humidity at a glance. Adjustable temperature units (F/C) and large screen make monitoring easy and personalized. Wireless transmission reaches 330+ ft. Main unit runs on 2 AAA batteries, outdoor sensor on 2 AA batteries (not included). Both feature low battery indicators for maintenance alerts. Track weather patterns with trend indicators and HI/LO temperature records. System continuously updates data, perfect for weather enthusiasts and gardeners monitoring local conditions. Versatile weather station with sleek black design fits any décor. Desktop stand included. Compatible with WS-9160U-IT replacement sensors for expanded monitoring capabilities.