33V 10A OLED White Multi-function Voltmeter /Current meter /Power meter / Temperature timer /Battery capacity tester

Product description
Support function: voltage, current, time, power, temperature, capacity, energy, run timefeature: oled: whitevoltage: 33vcurrent: 10anote: the measurement range are for reference match only, please check the value according to the voltage and current. Package includes: 1 x 33v 10a electrical parameter tester