1. Power supply voltage: 110/220 (V)
2. Dual-hole design allows simultaneous insertion of two spark plugs for comparative testing.
3. Adjustable simulated speed, range from 0 to 6000 RPM.
4. Protective cover installed before use to ensure operator safety.
5. Spark plug performance testing, dual-hole design, simulates engine operating conditions.
6. Weight: 354g
7. Dimensions: 145x85x113mm