Compact size, exquisite workmanship, and long lifespan. LCD digital display with blue backlight for easy data reading. Sealed ABS waterproof casing with anti-collision design for durability. High stability, accurate measurement, and strong anti-interference capability. Features power supply anti-reverse connection protection; it won't burn out even if connected backward. Specifications: Brand New Type: Voltmeter Material: ABS Optional Type: DC0-2V, DC0-20V, DC0-100V, DC0-200V, DC0-300V, DC0-500V Display Mode: LCD with blue backlight Appearance Size: Approx. 78 x 42 x 26 mm / 3 x 1.7 x 1 inch Installation Size: Approx. 76 x 39 mm / 3 x 1.5 inch Measuring Speed: ≥2 times/s Operating Temperature: -10-+50 ℃ Operating Humidity: 10-80% (no condensation) Operating Pressure: 80-106 kPa Sunlight Exposure: No direct exposure Weight: Approx. 47g / 1.66oz Package Includes: 1 x Voltmeter