This state-of-the-art measurement instrument is engineered to high standards for reliable monitoring of wind speed, wind direction, temperature, and humidity. It records and displays maximum and minimum data, including the time of recorded values. A weather alarm can be set to trigger at user-defined thresholds, with an alarm duration of 2 minutes. The device displays wind speed and direction, average wind speed, and gusts. Wind speed units are selectable in m/s, km/h, mph, knots, or ft/min. Wind speed range: 0 to 50 m/s. Wind direction range: N, NE, E, SE, S, SW, W, NW. Outdoor temperature range: - With alkaline batteries: -4°F to 140°F (-20°C to 60°C) - With lithium batteries: -40°F to 140°F (-40°C to 60°C) Temperature resolution: 1°F / 0.5°C (indoor and outdoor). Temperature accuracy: ±2°F / ±1°C. Humidity range: 20% to 90%. Humidity accuracy: ±5%. Receiver requires: 2 AAA 1.5V alkaline batteries. Wind gauge remote sensor requires: 2 AA 1.5V alkaline or lithium batteries (batteries not included). Battery life: approximately 12 months under normal usage conditions. Time display: 12-hour or 24-hour format selectable. Time zone setting range: UTC -12 to +12. Daylight saving time adjusts automatically based on time zone settings. Date format options: YYYY-MM-DD, MM-DD-YYYY, or DD-MM-YYYY. Wireless reception frequency: 433 MHz. Signal range up to 328 feet (100 meters) in open area. Press any key during RF reception to exit. Displays indoor and outdoor relative humidity (%RH) with a range of 20% to 99% and resolution of 5%. Displays wind chill temperature and dew point temperature with unit selection in °F or °C. Material: Plastic. Color: White. Package contents: 1 x Wireless Weather Station Receiver 1 x Remote Wind Sensor Only the items listed above are included. Note: Lighting and screen differences may cause slight color variations between the product image and actual item. Measurement error tolerance: ±1–3 cm.