1. Equipped with a 2.0-inch LCD high-definition display, the measurement data is clearly visible, with 5P high-current USB-A, 24P full-pin Type-C input and output interface, charging detection, faster.2, 0.00001 low resolution, real-time monitoring of subtle changes in voltage, current and during charging.3. Support automatic protocol detection, co-signature deception, fast charging, PD2.0, 3.0, PPS, QC2.0, 3.0, QC4, FCP, SCP, , PE, DASH VOOC, Supervooc.4. Support 10 sets of charge and discharge energy data records; built-in battery capacity calculation formula, the battery capacity can be quickly calculated through the recorded data.5. Driver-free installation, data synchronization, high efficiency and convenience, support for Bluetooth APP overvoltage and overcurrent alarm.Product name: USB voltage and current meter testerModel: FNB58Type: digital voltage measuring instrumentVersion: with bluetooth (blue)Display size: 2.0 inchesMonitoring voltage: 4~28VMonitoring current: 0~7AMonitoring : 0~120WLoad Equivalent Internal Resistance: 0~9999.9ohmD+/D- voltage: 0~3.3VCapacity: 0~9999.99Ah consumption: 0~9999.99WhCable internal resistance: 0~9999.9ohmEquipment running time: 99 days, 23:59:59Recording time: 99 days, 23:59:59Product size: 82X42X13mmColour:greyMaterial:Aluminum alloyPackage Contents:1 x USB fast charging testerOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.