GVDA GD107 Pen type Digital Multimeter & Voltage tester & Phase sequence tester 3 in 1
You don't need to buy a lot of measuring tools, only one GD107 Pen type multimeter is enough, and the range of GD109 is enough to use, and its accuracy is relatively high. but it can not measure current. if you must need this current measuring function, and you can check the other style such as GD128, GD119B, GD118 and others will be more suitable.
