High PrColor screen - 8 interfaces - Support USB, Type-C, DC5.5, micro-USB. It can measure the voltage and current changes during the operation/charging process of DC inverters such as mobile phones, , , routers, set-top boxes, etcracy display. Its measurement accuracy reaches 0.00001.Wide Applications:With the USB tester, you are to test , car emergency power supplies, routers and other DC products, monitoring current, voltage, power, capacity, power and other state of charge in real time.The tester and mobile phone enable to realize APP. And charging status, various measurement data & graph can be transmitted and viewed on your phone. You can switch different measurement interfaces by pressing the button.Multi Functions:Functions include screen flip, fast charge recognition, energy capacity detection, temperature measurement, accuracy measurement, two-way current measurement and other data tests(temperature probe is not included).Safety Protection:Featured with over-voltage protection, over-current protection, low-voltage protection, charging time setting and auto-off function, the meter can detect safely and maximally protect the appliances from damaging.Voltage measurement range: 3.60V~32.00VCurrent measurement range: 0.00~5.10AUSB load : 5V 1A/2A Limit 10W (do not exceed the use)Capacity accumulation range: 0~99999mAhPower accumulation range: 0~999.99WhPower measurement range: 000.00~163.00WImpedance measurement range: 1~999.9ohmTemperature measurement range: 0~80 CelsiusTiming range: 999hours 59minutes 59secondsInput interface: Type-C/Micro-USB/USBTiming charging reminder setting: countdown 24-hour arbitrary settingUSB D+ Voltage range: 0V~2.99VUSB D- Voltage range: 0V~2.99VMobile phone full charging reminderthreshold parameters: Less than 2W/0.5 hourRefresh time: 500mS/timesMeasurement rate: about 0.5 times/secAlarm mode: siren sound+ prompt displayScreen: 1.8inches color screenScreen resolution : 128x160Self-consumption current: Less than 0.025AOperating temperature: -10~+60 CelsiusWorking humidity: 10~80 ()Working pressure: 80~106kPaColor:blackMaterial:plasticSize:6.2 x 6.2 x 1.4cmPackage Contents:1 x USB Tester2 x Crocodile Clip 1 x USB LoadOnly the above package content, other products are not included.Note: Light 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.