【4 in 1 multimeter】 This digital DC ammeter voltmeter is used to measure the voltage, current, energy and active power of electrical devices. 【Measuring range】 Voltage test range: DC 6.5~100V, current test range: 0~20A, active power test range: 0~2kW, energy test range: 0~9999kWh. Please DO NOT exceed the rated parameters. 20A are only for short loads, but not for continuous operation. We recommend you change to 50A version if you use with a continuous output more than 15A. 【More function】 Large LCD display with backlight; voltage alarm function; energy reset function; Data storage when power off; Built-in shunt,no need for external shunt. 【Wide application】 This DC volt amp meter is suitable for indoor use and cannot be used outdoors. It can be used to monitor the volt, amp, power and energy usage of battery, solar system, electric bicycle generator and other fields. The load cannot exceed the rated voltage and current. 【Package】 Package: 1*DC multimeter, 1*User Manual (English). Pay attention: Please connect according to the wiring diagram we provide. If you want to try a different connection, please contact us at first, the wrong connection will cause the product to burn out or not work., Weight: 0.220462262 pounds, Manufacturer: KETOTEK