Type:4-digit Counters Applicable to:Petrol Engine Color:Black Power consumption:0.001 w Type:Motorcycle speed timer Voltage:3 v 1. Material: ABS 2. Size: 7.3x7.3x4.8 cm 3. Maximum time range: 9999.9 hours, maximum speed range: 9999RPM 4. Can set speed mode, system data reset function. 5. Select the engine type by using the S1 and S2 buttons for all spark ignition engines. 6. Display engine speed and record the number of hours of operation. 7. Inductive design: Simply connect the cable to the spark plug. 8. Powered by 1 x CR2450 battery (excluding battery)
