Welcome to our shop! Real-time detection, supporting protocols: This USB tester provides real-time detection of the charging status of electrical appliances, including voltage, current, power, and other indicators. It supports QC2.0, QC3.0, PD, and SAMSUNG fast charging protocol identification. Power outage storage: The USB tester has a power outage storage function. When the mobile power is disconnected, it can store capacity and energy data for subsequent viewing, making it easy to measure the mobile power's energy capacity. Superior performance: This USB multi-function tester features an IPS HD color LCD screen, bidirectional connection, a 160-degree wide viewing angle, high brightness, and a long service life. High accuracy: The USB C power meter's internal sampling circuits for professional instruments and unique accuracy algorithms ensure the product's accuracy and stability at both the hardware and software levels. Widely compatible: This USB C power meter is designed with a Type C interface, making it suitable for Type C interface 3C digital and peripheral products, such as mobile phones, laptops, chargers, car chargers, etc. Item Type: USB Tester Material: ABS Model: KWS 1902C Display: Color Screen Voltage: 4-30V Current: 0-5.1A Voltage Resolution: 0.002V Current Resolution: 0.002A Power: 0-150W Capacitance: 0-999999mWh Load Resistance: 1-9999.9Ω Energy: 0-999999mWh Temperature: 0-80℃ Timing: 0-99h Interface: USB C 24pin Test Direction: Bidirectional 1 x USB Tester Your satisfaction is our top priority. We will provide you with the best service. If you find any problems after receiving the product, such as damage, incorrect quantity, etc., please contact us immediately and we will provide you with the best solution!