Check the listing for details. Tenma 72-6638 Pocket Handheld Multifunction Anemometer Vane. Condition: New. Listed at 59.99 USD. Retail Price $117.99Product OverviewAn instrument to accurately measure air velocity and wind speed in air conditioning and heating systems as well as for environmental monitoring.3.5 digit LCD displayAir velocity measurement in ff/min, m/sec, knots and km/hr±3%±2 digit accuracyLow friction ball bearing wheelPowered by 1x 9V PP3 type battery (not supplied)Ranges: 0.8 to 30m/sec; 2.8 to 108km/hr; 1.6 to 58knots; 160 to 5900ft/min12 month limited warranty *view Terms & Conditions for details Here is all the info on this product: https://www.newark.com/tenma/72-6638/meter-air-velocity-30m-s-80-rh/dp/50N1391 I acquired three storage lockers full of custom audio equipment! We have speakers, horns, transformers, capacitors, circuit breakers, switches, terminal blocks, acoustic foam, resistors, and more. I will be listing tons of stuff at a great price. Bundle any items to save. I will reimburse the difference when I ship! Please review the pictures carefully before making a purchase. If you have any questions, please feel free to ask and I will do my best to provide you with any additional information or pictures. I accept returns within 30 days of delivery if the items are not as described. In addition, I offer a shipping discount for bulk items. If you are interested in purchasing multiple items, please contact me for a shipping quote. Local buyers (Canyonville, OR) are welcome to pick up their items free of charge. Please contact me to arrange a pickup time. Note: I am not an expert in any of the items included in this lot and I cannot offer any warranties or guarantees. All items are sold as-is and are described to the best of my knowledge.