Feature: 1. Color Screen Display: The digital tester displays data through a high definition true color screen, with accurate measurement and clear readings. 2. Simple Wiring: Only need to supply power to measure voltage and thread to measure current, simple wiring and complete functions. 3. For AC Power: Adapt to AC power applications, test 32 bit for ARM for Cortex CPU cores for various home appliances. 4. Strong Compatibility: Support 3 major online system APP software, support for iOS, for Android or PC computer wireless connection. 5. Multiple Detection Functions: Can monitor current, voltage, electricity and power, and has timing function, which is suitable for various electrical inspections. Specification: Item Type: Digital Voltmeter Ammeter Material: ABS Model: AT24-C Bluetooth Connection: Not supported Voltage: AC50-300V Current: 0-100A Power: 30000W Timing: 999.99.99H Power: 9999.99 degrees Power Factor: 0.00-1.00PF. Package List: 1 x Tester1 x Transformer Note: Please use according to the parameter voltage description, the maximum measurable diameter is 15mm wire.