... .01Hz--100KHz(max 100KHz) Accuracy:0.01Hz. Digital 4/5/6 LED Frequency Meter (FA) Features:1, Input ... etc,please indicate when ordering.3, 4/5/6 digit display,with demical point switched automatically;Opical ... of different models of products, including Temperature Controller, Digital Adjustor,thermocouple (TC and RTD), Panel Meter, ... Guo) 086-13435730867(Peter Liao) Digital 4/5/6 LED Frequency Meter (FA)