Uni-T-UT90B-series-solar-charged-digital-multimeter-Uni-T-UT90B-The-UNI-T-UT90B-series-digital-multimeter-measures-AC-voltage-DC-voltage-AC-current-DC-current-resistance-capacitance-frequency-&-continuity-br-br-The-UT90B-internal-battery-has-the-added-benefit-of-being-able-to-be-charged-by-solar-power-as-well-as-AC-or-AC-DC-The-solar-panels-below-the-display-facilitates-this-function-&-adds-to-the-environmentally-friendly-nature-of-the-UNI-T-UT90B-multimeter-br-br-Uni-T-Sola