Monitor your battery voltage with precision using this high-quality Voltmeter, featuring a durable half-sealed ABS waterproof shell with an anti-collision design for enhanced protection and long-lasting use. Designed for easy installation and reliable performance, this voltmeter is ideal for automotive, industrial equipment, and various other applications requiring accurate voltage measurement. Key Features: · Durable ABS Waterproof Shell: The half-sealed design offers excellent protection against water and impacts, ensuring durability in harsh environments. · Wide Voltage Measurement Range: Available in multiple optional types covering ranges from DC 3.5V up to DC 120V, suitable for diverse voltage monitoring needs. · LCD Digital Display with Blue Backlight: Provides clear and convenient voltage readings even in low-light conditions, enhancing usability. · Two-Wire Direct Test: Simple to use without the need for an external power supply, making installation quick and hassle-free. · Fast Measurement Rate: Updates voltage readings at a rate of ≥2 times per second for real-time monitoring. · Compact and Lightweight: Measuring approximately 80 x 42 x 13mm and weighing only 37g, this voltmeter is easy to install and does not add significant bulk. · Wide Operating Conditions: Functions reliably within temperatures from -10°C to +50°C and humidity levels of 10-80% (non-condensing), suitable for most working environments. Specifications: · Material: ABS · Item Type: Voltmeter · Optional Voltage Ranges: DC 3.5V-20V, DC 3.5V-30V, DC 7V-20V, DC 7V-30V, DC 18V-80V, DC 40V-100V, DC 60V-120V · Display Mode: LCD with blue backlight · Working Voltage: No external power supply needed · Measurement Rate: ≥2 times/second · Operating Temperature: -10°C to +50°C · Working Humidity: 10-80% (no condensation) · Working Pressure: 80-106 kPa · Size: Approx. 80 x 42 x 13mm (3.2 x 1.7 x 0.5 inches) · Installation Size: Approx. 76 x 39mm (3 x 1.5 inches) · Weight: Approx. 37g (1.3oz) Package Includes: · 1 x Voltmeter This voltmeter offers a reliable and user-friendly solution for accurately monitoring battery voltage status in vehicles, industrial machines, and other electrical systems. Its robust construction, clear digital display, and wide voltage range options make it an essential tool for professionals and enthusiasts seeking dependable voltage measurement.