Digital Anemometer Model Y612 Brand New Product Details: Measure wind speed and temperature. High precision pressure sensor. Quick response, external thermistor. Wind speed range: 0-30m/s. Wind speed unit: m/s, Km/h, ft/min, Knots, mph. Current/max/average wind speed reading. Temperature display in ?/F. Wind temperature range: -10 - 45°C (14-113°F) Large easy-to-read LCD display with backlight. Data hold function. Auto/manual power off. Powered by a 3V CR2032 battery.