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~32.00V Current measurement range: 0.00~5.10A USB load : 5V 1A/2A Limit 10W (do not exceed the use) Capacity accumulation range: 0~99999mAh Power accumulation range: 0~999.99Wh Power measurement range: 000.00~163.00W Impedance measurement range: 1~999.9ohm Temperature measurement range: 0~80 Celsius Timing range: 999hours 59minutes 59seconds Input interface: Type-C/Micro-USB/USB Timing charging reminder setting: countdown 24-hour arbitrary setting USB D+ Voltage range: 0V~2.99V USB D- Voltage range: 0V~2.99V Mobile phone full charging reminderthreshold parameters: Less than 2W/0.5 hour Refresh time: 500mS/times Measurement rate: about 0.5 times/sec Alarm mode: siren sound+ prompt display Screen: 1.8inches color screen Screen resolution : 128x160 Self-consumption current: Less than 0.025A Operating temperature: -10~+60 Celsius Working humidity: 10~80 () Working pressure: 80~106kPa Color:black Material:plastic Size:6.2 x 6.2 x 1.4cm Package Contents: 1 x USB Tester 2 x Crocodile Clip 1 x USB Load Only 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.