GEREE Green LED DC 0V-100V Digital Voltmeter Volt Panel Meter DC 24v 36v 48v 72v 96v Digital Green LED Voltmeters Panel DC 0V to 100V 24v 36v 48v 72v 96v volt meter Digital Voltmeter Panel DC 0V to 100V power :3-30V (for the meter) 1 x 0V to 100V Voltage LED green Mini Digital Panel Meter