Features: Upgrades your testing setups with the XY KZ25 Electronic Load Tester featuring QC3.0 compatibility 4A 25W/5A 35W capacity option, and intligent protocol detection for QC2.0, QC3.0 standards. The intuitived and LCD enable seamlessly protocol , real time monitoring, and automatic detection of supported fast charge mode in chargings. Ideal for electronics engineers, DIY enthusiasts, and repair professionals requiring precise USB charging analysis and compatibility verification. Achieve accurate load simulations with durability and dynamic voltages/current displays for reliable electronic testing scenario. Specifications: Fast charging mode: QC2.0 5V, 9V, 12V, 20V, QC3.0, AFC9V Constant current accuracy: ± (1%+3 words) Voltages accuracy: ± (0.5% + 3 words) Heat dissipation method: intelligent temperature control fan + all-aluminum heat sink Working temperature: -20℃-40℃ Extended: Microed USB, Type C Overvoltage protections: defaulted 25.2V (can be set by yourself) Power Option: 4A 25W/5A 35W Size：about 77×45.6×26mm/3.03x1.8x1.02in Package Includes: 1PC USB Load Tester note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.