1.13 IN 1 Current, voltage, power, electrical energy, capacity, timing ,Brightness adjustment, screen shutdown interface, current direction,Maximum voltage, maximum current, maximum power recording and other quick identification and other parameters, one screen display multiple parameters. 2.Adopt 0.85 inch OLED HD display, make your vision brighter at a glance, with 12A high current terminal, make the product more stable. 3.Aluminum alloy shell dustproof and drop-proof, two kinds of display page, more convenient to watch, so that the function is more strengthened. 4.Full interface compatibility, two-way current test function, real-time charging power detection, support fast charging test. 5.You can detect the charging status of the electrical appliances in real time, real-time monitoring of the charging voltage and current and other parameters of information at a glance. 6.Supports PD2.0, PD3.0, PD3.1, , QC2.0, QC3.0, ,SCP,, PE, DASH,VOOC Power on testing of almost all protocols such as SuperVOOC 7.The screen display can be rotated 360 through buttons Measurement Ranges (and resolution accuracy): Voltage: 4.50- 50.0V (0.01 V) Current: 0.00 - 12.0 A (0.01 A) Capacity accumulation: 0 - 99999 mAh Energy accumulation: 0 - 9999 Wh Power calculation: 0.00 -600.00 W (0.01 W) Temperature: 0 - 100 C (1 C) Timing time: 999H59M59 S (1 S) Colour:Gray Material:Aluminum alloy Package Contents: 1 x Type-c Cell Phone Charging PD3.1 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.