1. At the bottom of the new version of the tester, the magnetic positioning function is added. The wireless charge with magnetic suction can be quickly positioned and detected. Line magnetizing function. 2. Support for /for AI animation popover function detection room. 3. It can test the old 15W. 4. The new version is more stable, faster, you can set up a quick test. Technical parameters Input voltage: 5-12V Input current: 0-3A Load impedance measurement range: 1.5ohm-9999.9ohm Temperature measurement range: -10-65 Refresh speed: 2Hz Voltage measurement resolution: 0.01V Current measurement resolution: 0.001a Voltage measurement accuracy: (0.2%+1 word) Current measurement accuracy: (0.8%+3 words) Time measurement range: 0-99 hours 59 minutes 59 seconds Quick charge identification mode: QC2.0/QC3.0;PD: 2.0/3.0 Color:Black Material:plastic Package Contents: 1 * Wireless Charging Tester 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.