The Metrix Plus - 9V Digital Anemometer is a precise wind and airspeed and velocity measurement device. The 9V Digital Anemometer is a portable device with a separate remote sensor for convenience. The device has a built-in temperature measurement function. The resistance sensor of the Digital Anemometer provides a faster temperature response time. Conventional twisted vane arms have been removed from the device to increase accuracy, making the device more reliable. The device offers multiple measurement units such as m/s, km/h, ft/min, knots (nautical miles per hour), °C, and °F. Product Specifications: Manufactured by: Metrix Plus Country of Origin: India Product Code: AVM 03 Product: Digital Anemometer Display: 10 mm (0.4'') 4 digits LCD Power Supply: 1 x 9V 6F22 Air Temperature Range: 0 - 60 °C / 32 - 140 °F Air Temperature Accuracy: 0.5 °C / 0.9 °F