Check the listing for details. Mini Panel Voltmeter 0-100 VDC 3 Digits With Red LED Display. Condition: New. Listed at 18.09 USD. Mini panel voltmeter (23x11 mm) 3 digits with red LED display. It can display continuous voltages from 0 to 100 volts. Power supply: 4.5 to 30 VDC, consumption: less than 20 mA. Digit height: approximately 10.5 mm, precision: 1%, working temperature: from -10°C to +65°C. Red wire: positive, black wire: negative, yellow wire: positive voltage to be measured. Technical specifications Display: red LEDs, digit height 10.5 mm Power supply: from 4.5 to 30 VDC Consumption: less than 20 mA Measurement range: from 0 to 100 VDC Accuracy: approximately 1% Working temperature: from -10°C to +65°C Dimensions (mm): - maximum: 35x23X21 - for mounting hole: 32.32x21 Weight: 10.5 grams We ship all products within 24/48 hours with i best national couriers: Poste Italiane/SDA, BRT, DHL, UPS (national, Europe.