Features Versatile Unit Conversion: Easily switch between 5 air speed units including m/s, ft/m, mph, km/h, and Knots, plus temperature in ℃/℉ for personalized measurements High Sensitivity Design: Features a 6-leaf wind wheel with low friction bearing technology, ensuring precise readings and stable data in various conditions Clear LCD Backlight: The easy-to-read display features a backlight, making it convenient to view measurements in low-light environments Durable Non-Slip Protection: Comes with a soft rubber holster designed to provide a secure grip, protecting the meter from drops and enhancing user experience Multi-Purpose Measurement Tool: Ideal for assessing air speed in diverse settings such as homes, offices, cars, HVAC systems, and outdoor activities like sailing Features: 1、5 air speed unit conversion: m/s, ft/m, mph, km/h, Knots; 2 air temperature unit conversion: ℃/℉. 2、Measured by 6-leaf wind wheel with low friction bearing design, the meter has high sensitivity and stable data. 3、LCD backlight screen displays the measuring results clearly even in dark. 4、Come with soft rubber holster, which adopts non-slip design to protect the meter better. 5、Ideal tool for air speed measurement of home, office, car, air condition, exhaust fan, sailboat, navigation, etc. Specification: Features: 1. 5 air speed unit conversion: m/s, ft/m, mph, km/h, Knots; 2 air temperature unit conversion: ℃/℉. 2. Measured by 6-leaf wind wheel with low friction bearing design, the meter has high sensitivity and stable data. 3. LCD backlight screen displays the measuring results clearly even in dark. 4. Come with soft rubber holster, which adopts non-slip design to protect the meter better. 5. Ideal tool for air speed measurement of home, office, car, air condition, exhaust fan, sailboat, navigation, etc. Specification: Model: GM818 Air Speed Specification: Range: 0-30 m/s, 0-90 km/h, 0-5860 ft/min, 0-65 mph, 0-55 Knots Resolution: 0.1 m/s, 0.3 km/h, 19 ft/min, 0.2 mph, 0.2 Knots Threshold: 0.1m/s, 0.3 km/h, 39 ft/min, 0.2 mph, 0.1 Knots Accuracy: ±5%. Air Temperature Specification: Thermometer: NTC Thermometer. Range: -10℃~45°C (14℉~13℉) Resolution: 0.2℃, 0.36℉ Accuracy: ±2℃, ±3.6℉ Current Consumption: About A Storage Temperature: -40℃~60℃, -40℉~140°F Operating Humidity: ≤90% RH Battery: CR2032 3.0V battery (NOT included) Item Size: 50*22*112.1mm / 1.97*0.87*4.41in Weight: Approx. 97g / 3.4oz Package list: 1 * Anemometer Note: Due to the difference between monitors and light effects, the pictures m Package List