KEWEISI USB Charger Current Voltage Charging Detector battery Tester Volt meter AmmeterVoltage: 3V-9V+/- 1%Current: 0-3A +/- 1%Size: Approx. 7.2cm x 2.7cm x 1.5cm/ 2.83" x 1.06" x 0.59"Colour: BlackPackage Included:1 x USB Charger Current Voltage Detector Battery TesterNote:Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3 cm.
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