Features Designed to safely and accurately troubleshoot a variety of automotive and household electrical problems Measuring instrument with function of data hold, easier to read data Features large digital display for battery quick check and accurate results Voltage testing function for both AC and DC voltage. Low battery power indicator function Support testing function for on-off buzzers and diodes, overload protection function  Specifications:DC Voltage: 600V (±1.0%) AC Voltage: 450V (±1.2%) AC Current: 20-400A (±2.0%)     Resistance(ohm): 200KΩ (±1.0%)Battery: 2 AAA Batteries(Not included)LCD Max Reading: 1999Clamp Diameter: 2.13cm / 0.83"Size: 14.7 x 5.5cm / 5.78 x 2.16"Weight: 187g(approx.) Package Includes:1 x Multimeter(Batteries are not included)2 x Test Lead1 x English Manual Note: 1. Please allow 1-3mm error due to manual measurement. Thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard. Package List