Specification: _x005f_x000D_ Origin: Mainland China _x005f_x000D_ Measuring range: DC5.00-30.0V _x005f_x000D_ Power supply range: 4-30V _x005f_x000D_ Maximum input: DC30.0V _x005f_x000D_ Allowable error: ±1%; greater than or equal to 10V, error ±0.3V; less than 10V error ±0.10 _x005f_x000D_ Input impedance: >100KΩ _x005f_x000D_ Refresh speed: about 300mS once _x005f_x000D_ Display mode: three-digit 0.56-inch LED digital tube _x005f_x000D_ Opening size: approx. 46 x 27mm/1.81 x 1.07 inches _x005f_x000D_ Operating temperature: -20 ℃ to +65 ℃ _x005f_x000D_ Product size: 48.00x29.00x22.00mm/1.89x1.14x0.87inch _x005f_x000D_ _x005f_x000D_ Note: _x005f_x000D_ If the input voltage is higher than 30V, the voltmeter may be permanently damaged. _x005f_x000D_ Low starting voltage, minimum 4.5v for red, minimum 4.7v for green, minimum 5.0v for blue. _x005f_x000D_ Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! _x005f_x000D_ Please allow 1-2cm measuring deviation due to manual measurement. _x005f_x000D_ _x005f_x000D_ Included: _x005f_x000D_ 1*Digital Voltmeter 1.Robust Waterproofing: Crafted with premium materials, this digital voltmeter stands up to the toughest conditions, ensuring durability and longevity even in high-moisture environments. 2.Crystal-Clear Display: Featuring advanced digital display technology, the voltage meter presents compatible with sharp, easy-to-read numbers, allowing for quick and accurate readings at a glance. 3.Compact & Handy: Designed with space-saving in mind, our mini voltage tester is not only small in size but also incredibly easy to install, making it the perfect addition to any toolkit or control panel. 4.Precision Measurement: Offering high measurement accuracy, this voltage panel meter delivers stable and reliable readings, ensuring you can trust its performance for critical electrical monitoring. 5.Versatile Application: This volt instrument tool is a true all-rounder, suitable for a variety of settings including homes, vehicles, boats, and industrial equipment, making it an essential tool for any electrical diagnostic needs.