A.20mW~40mW B.30mW~60mW C.40mW~80mW D.50mW~100mW
A.0.56km/h B.0.5km/h C.0.28km/h D.0.8km/h
A.1V±0.01V B.1V±0.02V C.1V±0.1V D.1V±0.2V