brand new and high quality<br> Material: Plastic<br> Display color: Blue<br> <br> Specification:<br> Dimensions: 40 x 25 x 23mm<br> Cutting Size: 37x20mm<br> Measure range: Blue (DC 3.0-40.0V)<br> Maximum input: DC 40V<br> Permissible Error: 1% (+ / - 1 digit)<br> Display: Three 0.40" LED digital tube<br> Display Color: Blue (DC 3.0-40.0V)<br> Refresh rate: about 500mS<br> Current consumption: about 5-20mA<br> Operating temperature: -10 c ~ 65 c<br> Voltmeter with epoxy potting, Full waterproof design, Oil Pollution Prevention, Moistureproof, Shockproof, Dust-proof<br> With Reverse polarity protection<br> Application:<br> Do not need power supply, can measure 2.5-40V directly<br> If the input voltage is below 3.5V, the display brightness dims<br> If the input voltage is below 2.5V,measuring inaccurate or no display<br> When measure 10V below, accurate to 0.01V,display x.xx<br> When measure 10V or more,accurate to 0.1V,display xx.x<br> Size:<br> Quantity: 1 PC<br> <br> Note:<br> Manual measuring, please allow 0-1cm error,thank you.<br> Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you