HD 85mm Tachometer For Marine Boat Motorcycle Car 3000 4000 6000 7000 8000 RPM Tacho Gauge With LCD Hourmeter Blue ShellHD 85mm Tachometer For Marine Boat Motorcycle Car 3000 4000 6000 7000 8000 RPM Tacho Gauge With LCD Hourmeter Blue Shell Note The sensor needs to be purchased separately, the tachometer does not include a sensor,the sensor do not include the tachometer, please know, thank you Package 1 1X RPM Sensor Package 2 1X Tachometer 1X Instruction The sensor needs to be purchased separately, the tachometer does not include a sensor, please know, thank you