Features: Intelligent Digital Display & No Contact Detection: Features a high precisions LED screen showing 12V-300 voltage readings and contactless current sensing technology for enhances electrical safety. Professional Accuracy with Ergonomic Design: Delivers high measurement precisions in low voltage environment and lightweight ABS construction for no fatigue operation. Essential Tool for Electricians & DIYer Enthusiasts: Ideal for professional technicians and home users requiring reliable voltage testing in complex electrical systems. Versatilely Application Across Environment: Safely troubleshoot residential wiring, construction site equipment, and industrial machinery with insulation protective. Reinforced insulation component and automatic shut off ensure protective during voltage diagnostics. Specifications: Component: ABS Color: Black Size:Approx. 163x28x22mm/6.42x1.1x0.87in Voltage ranges: 12V-300 Frequency: 50/60Hz Power supply: 1pcAAA battery(not included) Package Includes: 1pcs Digital Voltage Tester note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. 2.Due to the differences between different monitors, the picture may not reflect the actual color.