This voltmeter is for efficiency, boasting low power consumption of ≤20mA and a operating voltages ranges of 4-30V, making it ideal for various applications With its size and simple installation process, this voltmeter is a must tool for anyone look to maintain precises control over their electrical systems precise voltages measurement with our 4 digit LED voltmeter, featuring a measuring ranges of 0.000V-100V and a clear 0.36inch digital display for easy readability Perfect for electronic engineers, enthusiasts, electricians, and professional who require accurate voltages in their projects Widely applicable in laboratory testing, projects, automotive circuits, and solar systems, this voltmeter ensures across setting, Manufacturer: KACCDE