Spectrum Technologies 3141 数字式风速/温度计 (0.5-44.7 mph, 32 - 122°F)

Wind Speed Range: 0.5-44.7 mph (0.8-72.0 km/h)

Wind Speed Accuracy: ±5%, or ± last significant digit 

Temperature Range: 32 to 122°F (0 to 50°C)

Temperature Accuracy: ±2°F (±1°C) 

Power Supply: CR2032 battery

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