Features: brand new and high quality FCOP: Full-power Cut-off (ON or OFF), you can set it yourself when the power is < 1W for 1 minute, it will-power cut off. TC: Timed charging (ON or OFF), you can set the for time period of 01:00-24:00 to charge regularly, when it reaches the setting, it will automatically cut off. Overcurrent protection: you can set the range of 0.0A-5.1A by yourself. Over voltage protection: 01V-36V range can be set by yourself. Low voltage protection: 00V-35V range can be set by yourself. Specifications: Voltage measurement range: 5V-32.0V Current measurement range: 0.00- 5.10A Timing time: 999 hours 59 minutes 59 seconds Input interface: Type-C or Micro USB or USB Output interface: Type-C or USB Timing charging reminder setting: countdown 24 hours any set value USB and voltage range: 0V-2.99V USB - voltage range: 0V-2.99V Refresh time:> 500mS or times> 500mS or times Measurement rate: about 0.5 times or s Alarm mode: sound and display prompt double warning Display type: large screen with true color-digital display with heavy cost 2.4 Chinese English measurement interface Self-consumption current: