11 of 13 people found the following review helpful
Very inexpensive meter- comes with battery,
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This review is from: DT830B LCD Digital Voltmeter Ammeter Ohm Multimeter (Tools & Hardware)
Worked right out of the box and costs less than the combination volt/amp meter I was looking at. Has adjustment inside case to adjust the voltage readings displayed to sync with other meters. Rotary dial for functions is sticky and requires some fiddling to get a reading after the unit has been off. Works for my purposes, hard wired to monitor charge status of solar collectors and battery array.