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Mini LED DC 2.5-30V Volt Voltage Meter - Black
Product Features: The voltmeter use 0.36 inch digital tube display£¬ with super small volume£¬ area with only a coin similar; Connection is simple£¬ just need to pick up two lines£¬ a joint reverse protection£¬ then do not burn Starting voltage is low£¬ only 2.50 V£¬ can correct measurement; To achieve the best measurement precision£¬ the voltmeter will measure the voltage according to the different automatic moving the position of the decimal point; Can be used for measuring 18650 cell phone lithium battery nimh battery and other battery voltage£¬ and motorcycle automobile battery voltage; Can be used in all kinds of voltage measurement purposes; Technical Parameters: Power supply: don't need the power supply£¬ direct use of the test voltage as a power supply; Measurement range: DC 2.50~30V; The minimum input: 2.50V; The maximum input: 30V; Operation temperature:-10°C~65°C; Display mode: three 0.36 LED digital tube; update rate:about 500 ms/time.