["brand new and high quality\r\nThis meter is a portable, professional measuring instrument with large-screen LCD and backlight, multi-unit switching functions.\r\nThis meter can be used for hand-held or fixed measurement.\r\nThis meter has the functions of reading hold, maximum, minimum, etc.\r\nIt has a low battery indicator .\r\n \r\n Specification:\r\nWind velocity:m/s(meter per second): 0.80~30.0 ±(2.0% reading+50)\r\nft/for m (feet per minute): 78~5900 ±(2.0% reading+5)\r\nfor km/h (kilometer per hour): 1.4~108.0 ±(2.0% reading+50)\r\nmile/h(mile per hour): 0.9~67.20 ±(2.0% reading+5)\r\nKnots(nautical miles per hour): 0.8~58.0 ±(2.0% reading+50)\r\nft/s(feet peer second):1.30~98.50±(2.0% reading+50)\r\nAir Flow:CFM: 0 to 99990 0 to 9.999ft2\r\nCMM: 0 to 99990 0 to 9.999m2\r\nCMS: 0 to 9999 0 - 9.999 m2\r\nFlow Area Setting\r\nMAX/MIN Function\r\nDisplay Back light\r\nAuto Power Off\r\nLow Battery indication\r\nPower supply: 9V6F22 Battery(Not Included)\r\nSize: (L*for W*H)17.20*8.80*4.50cm/6.77"*3.46"*1.77"\r\nQuantity:1 Set\r\n \r\nNote:\r\nSize for manual measurement, there may be a 0 to 2 for cm error, belongs to the normal phenomenon.\r\nAnd due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!\r\n\r\nPackage includes:\r\n1pc * HYELEC MS6252A Multifunction Digital Anemometer\r\n1pc * English Manual\r\n1pc * Canvas bag"]