【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: 0~100A, active power test range: 0~10kW, energy test range: 0~9999kWh. Please DO NOT exceed the rated parameters. 【More function】 Large LCD display with backlight; voltage alarm function; energy reset function; Data storage when power off. 【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*50A/75mV shunt, 1*User Manual (English). Pay attention: When using the 50A shunt, you must first set the meter's current range to 50A(factory default is 100A). Please connect according to the wiring diagram we provide, the wrong connection will cause the product to burn out or not work., Weight: 0.1543235834 Pounds, Manufacturer: KETOTEK