SPECIFICATIONS <p>Function1: Air Velocity and Temperature Measurement</p> <p>Function2: Max/Average/Current air velocity measurement</p> <p>Function3: C/F Temperature unit selection</p> <p>Function4: Wind Speed Range/Unit Available:</p> <p>Function5: Five units of air velocity: M/s, Km/h, ft/min, Knots, mph</p> <p>Function6: Beaufort scale</p> <p>Function7: Backlight display</p> <p>Function8: Manual/Auto power shut off</p> <p>Function9: Wind chill indication</p> <p>Function10: Low battery indication</p> <p>Brand Name: RZ</p> <p>Model Number: RZ818 GM816</p> <p>Origin: Mainland China</p> <p>Certification: CE</p> <p>Certification: RoHS</p> <br> <p style="text-align: center;" align="center">Portable Anemometer RZ818/GM816</p> <p>This anemometer is very small and light. It is an ideal tool for windsurfing, sailing and kite flying. You can also use it for industrial and home purposes such as measuring speed and temperature of CPU computer fans, air-conditioners, airflow over the roof or walls. </p> <br> <p></p> <p style="font-family: tahoma, arial, sans-serif; font-size: 12px; font-weight: normal; line-height: 1.5; text-align: left; color: rgb(51, 51, 51); background-color: rgb(255, 255, 255); border: 0px; margin: 0px; padding: 0px; box-sizing: content-box;" align="left">1&gt;   Mini Digital Anemometer<br>2&gt;   Air Velocity &amp; Temperature Measurement (Comes with Thermometer Feature)<br>3&gt;   Max/Average air velocity measurement<br>4&gt;   C/F Temperature unit selection</p> <br> <p></p> <p style="font-family: tahoma, arial, sans-serif; font-size: 12px; font-weight: normal; line-height: 1.5; text-align: left; color: rgb(51, 51, 51); background-color: rgb(255, 255, 255); border: 0px; margin: 0px; padding: 0px; box-sizing: content-box;" align="left">Air Velocity Specification:</p> <p style="font-family: tahoma, arial, sans-serif; font-size: 12px; font-weight: normal; line-height: 1.5; text-align: left; color: rgb(51, 51, 51); background-color: rgb(255, 255, 255); border: 0px; margin: 0px; padding: 0px; box-sizing: content-box;" align="left">Range:1.0 - 30 m/s, 3.6- 90 km/h, 216- 5860 ft/min, 2.4 - 65 mph, 1.9- 55 Knots.</p> <p style="font-family: tahoma, arial, sans-serif; font-size: 12px; font-weight: normal; line-height: 1.5; text-align: left; color: rgb(51, 51, 51); background-color: rgb(255, 255, 255); border: 0px; margin: 0px; padding: 0px; box-sizing: content-box;" align="left">Resolution:0.1 m/s, 0.3 km/h, 19 ft/min, 0.2 mph, 0.2 Knots.</p> <p style="font-family: tahoma, arial, sans-serif; font-size: 12px; font-weight: normal; line-height: 1.5; text-align: left; color: rgb(51, 51, 51); background-color: rgb(255, 255, 255); border: 0px; margin: 0px; padding: 0px; box-sizing: content-box;" align="left">Threshold:0.1m/s, 0.3 km/h, 39 ft/min, 0.2 mph, 0.1 Knots.</p> <p style="font-family: tahoma, arial, sans-serif; font-size: 12px; font-weight: normal; line-height: 1.5; text-align: left; color: rgb(51, 51, 51); background-color: rgb(255, 255, 255); border: 0px; margin: 0px; padding: 0px; box-sizing: content-box;" align="left">Accuracy:+/- 5%.</p> <br>