The MX-18L mobile phone repair tester measures voltage from 4 to 300 V and current from 0 to 5 A. It features USB inputs and outputs, as well as 14 function buttons.

• Voltage: 4–300 V
• Current: 0–5 A
• Negative voltage: 0–10 V
• Positive voltage: 0–10 V
• Power: 0–150 W
• Timing: 0–99 hours
• Input: USB
• Output: USB
• Function buttons: 14
• Grouping: 1–9