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: 1999 
Clamp Diameter: 2.13cm / 0.83" 
Size: 14.7 x 5.5cm / 5.78 x 2.16" 
Weight: 187g(approx.)