by the United States Microchip (Microchip) PIC16F648A as the core of 65MHz frequency counter.Japan KDS frequency reference temperature-compensated voltage controlled crystal oscillator (± 2.5 ppm VC-TCXO)Unique gate control and time algorithm (non- interrupt)Gate (display refresh) time 0.64 seconds, real-time display frequency value.Frequency measurement accuracy 10Hz / 100Hz (digital right ) is optional.Easy to useExquisite WorkmanshipWell MadeBest Choice and best discountsCustomer Care is Our Top PriorityOffer is Subject to AvailabilityBig Sale

Three PACKAGE according to your order 1piece Red/1piece Blue/1piece Red or green delivery Signal Frequency Counter