... Indicator High precision 4 LED indicator Ratio:200:1 Programmable.. SX-R07 Programmable Digital Speed IndicatorHigh precision4 LED ... indicatorRatio:200:1Programmable..1. Performance IndexS-R07 programmable digital speed indicator is specially ... , add, reduce, confirm, easy to operate4 LED indicatesDecimal digits programmableFeedback equipments could be chosen, it ...