["brand new and high quality\r\nFeatures:\r\nThis TL90 gauge can be used on the helicopter that is equipped with stabilizer bar or flybarless, the built-in digital gyro can detect the height of the blade automatically and display on the backlight LCD screen.\r\nAutomatically detect the horizontal angle.\r\nIt has automatic screen inversion function.\r\nIt can delay angle back to zero and lock it.\r\n\r\nSpecifications:\r\nApplicable Length Of The Main Rotor: 250mm-800mm(9.84-31.50in)\r\nApplicable Width Of The Pulp: 20mm-75mm(0.79-2.95in)\r\nOperating Voltage: 3.0V for DC \r\nPower Supply: 2 x CR2032 (NOT included);\r\nOperating Temperature: 0-40℃（32~104℉）\r\nPrecision Measurement: 0.1 degree\r\nMeasuring Range: ± 90°\r\nBody Size: app.108x22mm/4.25x0.87in\r\nDisplay Size: app.52x33mm/2.051.30in\r\n\r\nNote:\r\nNo retail package\r\nTransition: 1cm=10mm=0.39inch\r\nPlease allow 0-1cm error due to manual measurement, please make sure you do not mind before you bid.\r\nDue 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\n1 x Digital Pitch Gauge"] Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store