100% brand new and high quality Material: Plastic Display color: Blue Dimensions: 40 x 25 x 23mm Cutting Size: 37x20mm Measure range: Blue (DC 3.0-40.0V) Maximum input: DC 40V Permissible Error: 1% (+ / - 1 digit) Display: Three 0.40" LED digital tube Display Color: Blue (DC 3.0-40.0V) Refresh rate: about 500mS Current consumption: about 5-20mA Operating temperature: -10°C ~ 65°C Voltmeter with epoxy potting, full waterproof design, oil pollution prevention, moistureproof, shockproof, dust-proof With reverse polarity protection Application: Does not require external power supply, can measure 2.5-40V directly If the input voltage is below 3.5V, the display brightness dims If the input voltage is below 2.5V, measurement may be inaccurate or no display When measuring below 10V, accuracy is 0.01V, display shows x.xx When measuring 10V or more, accuracy is 0.1V, display shows xx.x Size: 40 x 25 x 23mm Quantity: 1 PC Note: Manual measuring, please allow 0-1cm error. Due to differences in monitor settings, the picture may not reflect the actual color of the item.