1. 1.54-inch ultra-clear large color screen precision magnetism, real-time observation of more protocols and charging information 2. Protocol selection: display the position of the "mode switch", indicating the current selection of test protocols 3. Strong heat dissipation: wireless charging tester heat dissipation technology changes, even in the face of complex temperature environment, not affect the normal work 4. Compatible with most of the mainstream protocols on the market, support for OTA upgrades, commonly used updates, 21+ features support testing 5. Can display , frequency, voltage and current power parameters, charging time, return power, mWh, support for watching the power curve, the current protocol display. Support Chinese and English switching, full protocol detection, ultra-high compatibility, high-performance chip, support for on-site networking, charging data preservation, etc. Parameter: Absolute withstand voltage: -0.3~42V Absolute current: 0~3.5A Absolute power: 0~50W Measuring voltage: 1.8~32V Measuring current: 0~5A Measured power: 50W (external load) Measuring temperature range: -20~128 Accuracy: 1% Capacity: 1MB Sampling frequency: 2.4M Operating temperature: 15-70 Product size: 68.6 x 68.6 x 32.5mm Color: Black Material: Abs+Metal Package Contents: 1 * Wireless power bank power meter Only 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.