... Tachometer, Rectangular Computer tachometer, 1.diesel engine tester 2.for boats/ships 3.arround 1kg 4.high quality A micro-computer tachometer,marine tachometer,Rectangular Computer tachometer,diesel engine tachometer ... supply other type Diesel Engine Tester, Tachometer, GPS Antenna, interphone and other electronic ... time record) Marine Tachometer,Diesel Engine gauges,Rectangular Computer tachometer