This voltmeter has fast response speed, high accuracy, clear display, intuitive readings, and good stability;<br>advanced and reasonable circuit design, strong anti-interference ability, and can effectively suppress high-frequency interference;<br>the kit uses high-quality materials, sophisticated technology, and beautiful appearance.<br>Long service life, extremely convenient installation and use. It is a voltmeter suitable for welding and assembling by various universities and DIY enthusiasts.<br><br>Kit name: ICL7107 voltmeter DIY kit<br>PCB size: 70.6x39mm<br>Mounting hole size of meter : 77x40mm<br>Display window size: 51x24mm<br>Electrical parameters:<br>Working voltage: DC5V<br>Working current: 35mA<br>Measurement accuracy: It can be calibrated to obtain higher accuracy, and there are no parameters temporarily.<br>Measuring range: divided into 3 gears, 0-2V gear measuring small voltage<br>0-20V range to measure low and medium voltage<br>0-200V gear, measure higher voltage.<br>Colour:As shown<br>Material: PCB<br><br>Package Contents:<br>1 set x Voltmeter spare parts<br><br>Only the above package content, other products are not included.<br>Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.