Features: Experience precise voltage 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. This voltmeter is for efficiency, boasting low power consumption of ≤20mA and a operating voltage ranges of 4-30V, making it ideal for various applications. Perfect for electronic engineers, DIY enthusiasts, electricians, and professional who require accurate voltage monitoring in their projects. Widely applicable in laboratory testing, DIY projects, automotive circuits, and solar systems, this voltmeter ensures reliable performances across diverse setting. With its size and simple installation process, this voltmeter is a must tool for anyone look to maintain precises control over their electrical systems. Specifications: Material: Plastic Measuring ranges: 0.000V-100V Display mode: 0.36inch digital tube Power consumption of this unit: ≤20MA Operating voltage: 4-30V (recommended ranges 5V-12V) Leads length: 20cm Leads definition: red - working power positive, black - common negative, blue - test power positive Size: About. 40x22.5mm/1.57x0.89in Color: Red/Blue/Green Package Includes: 1 Set Digital Voltmeter note: Please allow 1-2cm errors due to manual measurement. Due to difference between different monitors, the picture may not reflect the item actual color.