WESPEC Original Mebay GV13DC Generator Digital Voltmeter Voltage Meter Working power DC8~36 V Consuming power MAX:1 W Temperature -30℃ ~ 70℃ Size (W * H * D) 58mm * 54mm * 41mm Installation Size(W * H) 47mm * 37mm Weight 55G Summary GV13DC-12 is one light and low price-orientated module used for checking and demonstrating Voltage, Frequency and accumulating time of generator. This module can replace old meters, for it can be one with multi-functions. It uses normal screw for