Hangar 9 HAN156 Micro Digital Tachometer Inferno MP7.5 Parts This is the HO Scale

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Hangar 9 HAN156 Micro Digital Tachometer Inferno MP7.5 Parts This is the HO ScaleHangar 9 HAN156 Micro Digital Tachometer Overview: Key Features Handy, pocket sized tachometer Works with 2 , 3 and 4 blade propellers Simple, one button operation Overview The Hangar 9 Micro Digital Tachometer is engineered using the latest technology. This handy tuning tool can measure the rpm of any engine equipped with a 2 , 3 , or 4 bladed propeller. RPM is displayed in up to four digits, with a range of up to 32,000 rpm. A long lasting 3V 220mAh