id="stamped-main-widget" class="stamped-main-widget" data-widget-style="standard" data-product-id="49177133065" data-name="0.56 Inch Mini Digital Voltmeter DC 4.5V To 30V" data-url="https://www.electromannsa.com/products/original-trustfire-flashlight-tr-j20-13000-lumens" data-image-url="//cdn.shopify.com/s/files/1/1030/0431/products/DC_4.5_to_30_Voltmeter_large.jpg%3Fv=1566283145" data-description="<h2 style="text-align: center;">0.56 Inch Mini Digital Voltmeter DC 4.5V To 30V - BLUE  (10004831)</h2> <div><span><strong>Description:</strong></span></div> <div><span>This DC Voltage Meter with DC4.5-30V range. It is easy to read, install and use</span></div> <div><span>And it is self-powered version and supports Reverse polarity protection.</span></div> <div> <span>When the voltage is under 10V, there will 2 readings after </span><span>decimal</span><span> point, which mean the accuracy is 0.01 when it is under 10V; when it is above 10v, the accuracy is 0.1</span> </div> <div><span>Mini LED display</span></div> <div><span>No power supply needed</span></div> <div><span>Measure Voltage: DC 4.5-30V two-wire access</span></div> <div> <span>Display: Three </span><span>digit</span><span> 0.56" LED</span> </div> <div><span>Refresh Speed: Approx.300mS/time</span></div> <div> <span>Highest input</span><span>: DC</span><span> 30V (higher than 30v has the risk of burn up)</span> </div> <div> <span>Minimum input</span><span>: DC</span><span> 4.5V(below than 4.5V</span><span>, measurement</span><span> is inaccurate or does not show)</span> </div> <div><span>Minimum Resolution:0.01V(&lt;10V)/0.1V(&gt;10V)</span></div> <div><span>Resolution:1%±1digit</span></div> <div><span>Working Temperature:-20℃~65℃</span></div> <div> <span>Size</span><span>: Approx</span><span>. 48mm x 29mm x 22mm(L*W*H)</span> </div> <div><span>Hole Size: Approx.46*27mm</span></div> <div><span>Current Consumption:&lt;23mA</span></div> <div><span>LED Color: BLUE</span></div> <div><span>Quantity: 1pcs</span></div> <div> </div> <div><span><strong>Package Contents:</strong></span></div> <div><span>1 x Digital Voltmeter</span></div>" data-product-sku="original-trustfire-flashlight-tr-j20-13000-lumens">