Features: - Simple two-wire installation. Compatible with DC power input in the 8–40V range, including 12V and 24V batteries. - Dual USB ports provide up to 5V/2A total output with automatic current distribution. - Universal square-hole snap-in design for easy mounting; highly versatile. - Built-in voltage display and USB charging functionality. - LED digital display for clear battery voltage monitoring—ideal for motorcycles, cars, trailers, and other vehicles. - Large, high-visibility screen readable in daylight, rain, and nighttime conditions. - LED display performs a self-check at startup, mimicking automotive instrument cluster behavior. - Suitable for use in automobiles, motorcycles, bicycles, power distribution systems, test equipment, and voltage regulators. Select appropriate mounting method based on application. Specifications: - Material: ABS - Dimensions: Approx. 48 × 29 × 16 mm (1.88 × 1.14 × 0.62 in) - Display: Three-digit 0.36" LED digital tube - Display resolution: 0.01V (below 10V), 0.1V (10V and above) - Accuracy: ±1% - Input voltage range: 8–40V DC - USB output: 5V, up to 2A total (shared between two ports) - Lead length: 20 cm - Display color options: Red, emerald green, or blue - Refresh rate: Approx. 200 ms - Operating temperature: –10°C to +65°C Note: - Slight measurement variations of 1–2 cm may occur due to manual measurement. - Screen color appearance may vary depending on monitor settings. Package includes: - 1 × Voltmeter