2 Wire Voltmeter Module

Available in red, green or blue, these little LED volt meters are the quick and easy way to add voltage readout at various points in your project. Just connect the two wires to any 4- to 30-volt DC source, red to positive and black to negative, that's it! Great for monitoring voltages during development and debug or as a permanent part of the project. Specifications Measurement Range: +4VDC to +30VDC Operating Current: 2 to 3mA Accuracy: +/- 0.1V Dimensions Length: 33 mm (1.3") Width: 14 mm (0.55") Height: 11 mm (0.43") Digit Height: 9 mm (0.36") Wire Length: 14.5cm (5.7") Hook Up Diagram (Click on image to view full size)