Universal voltmeter 0-100V with red display. A convenient way to make your own meter in your device thanks to the holes on the sides of the device is easy to install. You can use it in car, DIY projects etc. The meter has a built-in potentiometer thanks to which you can calibrate and adjust the displayed voltage value in accordance with the reality - calibration. Technical data Display: 0.28" LED: red Dimensions: 30X11.7X9.2mm (H x W x L) Measurement rate: 200 ms Supply voltage: 2.5V to 30V DC red and black wires Voltage measurement range, yellow wire: 0 - 100V DC Working temperature: -10 ~ + 65 ° Maximum humidity: 10 ~ 80% https://elecena.pl/product/22621268/dc-0-100v-led-voltmeter-module-0-28-red 2023-02-23 https://elecena.pl/product/22621268/dc-0-100v-led-voltmeter-module-0-28-red 2025-10-29