Item Type: Weather Instrument Material: ABS Weight: Approx. 1745g / 61.6oz Display Screen Size: Approx. 19x12.8cm / 7.5x5.0in Model: WS3030 Scope of Application: 50-120m / 164.0-393.7ft Display Battery: 3x AA Batteries (Battery Not Included) Receiver: Temperature Range: 0-60 (32-140), Resolution: 0.1, Accuracy: +1. Humidity Range: 20%-99%, Resolution: 1%, Accuracy: 5% Pressure Range: 300-1 100hpa, Resolution: 0.1hpa, Accuracy: +3hpa (700-1100hpa Interval) Alarm: 2 Minutes Duration Battery Life: About 12 months (the quality and capacity of the battery determine the use time of the product) External DC power supply, DC block products can also provide DC power supply: DC 5V/50MA Low Voltage Detection: The battery icon flashes (the battery voltage is lower than 3.2V) Transmitter: Waterproof Grade: Waterproof Grade 3 Temperature Range: -40-60 (-40-140), Resolution: 0.1, Accuracy: 1 Humidity Range: 20%-99%, Resolution: 1%, Accuracy: 5% Wind Speed Range: 0-50m/s, Resolution: 0.1m/s, Accuracy: 1m/s (Wind Speed Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store