Description: GV13T is one light and low price-orientated module used for checking and demonstrating Voltage, Frequency and accumulating for time of generator. This module can replace old meters, for it can be one with multi-functions. It uses normal screw for connection which is more convenient for installation. Features: Voltage, frequency and accumulating for time can be checked and demonstrated in the mean for time; Results shown by 4-position digital LED tube Self-recycling of parameters with Page Turning Buttons for Extra working power is not needed Parameter demonstration Phase voltage (V) Frequency (Hz) Accumulating for time(H) Current for Time(for T) Specification: Working Power:AC 185~265V Cumulative running time: 0-9999H Consuming Power:MAX 1W Recycling Time:Voltage:5s,Frequency:5s Accumulating time:2s Temperature:-20~~75 Volume size (for W * H * D): 58mm * 54mm * 41mm Mounting hole (for W * H): 47mm * 37mm Weight:45g Package include: 1 * GV13T Digital Voltmeter Frequency Hour Meter