►【Easy to wire】:There are 2 wires, red wire is connected to positive pole, black wire is connected to negative pole，easy to connect; it can test directly and no need of power supply, easy to install and use.
►【Voltage detection】:Measuring range: DC4.5-30V(two wires Access);Operating temperature: -20°c to 65°c;Upper limit input: DC132V. Note: Input voltage higher than 132V may be permanently damaged!
►【Safe to use】: with reversed connection protection, it will not be burnt even when connected reversely, but the screen display nothing.Can display voltage and current at the same time in such a small size, for high-end applications.
►【Application】: Can be widely applied to monitoring voltage of storage battery, mastering voltage state of storage battery, and measuring voltage and current of other devices.
►【Package】: 6 Piece mini digital green led voltage test meter, automatically moving, bright and clear, convenient for you to check the measured result.
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