1Multifunctional Tester: The tester can be used to test current, voltage, power and electricity, and display a variety of measurement parameters. 2HD Screen Display: HD true color screen digital transmission curve high power multi energy AC meter, with simple wiring and complete functions. 3Strong Compatibility: Support 3 major online system APP software, support for iOS, for Android or PC computer wireless connection. 4For AC Power: Adapt to AC power applications, test 32 bit for ARM for Cortex CPU cores for various home appliances. 5USB Powered: The test meter adopts USB power supply, no other wiring is needed, and the operation is more convenient. Item Type: Digital Voltmeter Ammeter Material: ABS Model: AT24-CB Bluetooth Connection: Support Voltage: AC50-300V Current: 0-100A Power: 30000W Timing: 999.99.99H Power: 9999.99 degrees Power Factor: 0.00-1.00PF 1 x MultimeterTester 1 x Transformer USB power supply, no separate power supply required.