Features: It can be taken as electronic constant current load, USB tester,cable detector. Built-in intelligent temperature control and large power auto protection, safe discharge. Take-all Measurement One screen multi group data Display Support QC2.0 compatible QC3.0 quick voltage range test Power down data retention charging time protection Voltage display, Current display, capacity display, Electrical voltage display, Power display, Timing display Real-time monitoring Power Test: 185W optional Voltage:0-200V Current:0-20A Industrial grade long life 185W power continuous discharge USB Dual Adjustment accuracy Electronic Load discharge Industrial discharge load USB tester Specifications:Input interface/Output interface:100A large current occluding screw column Voltage testing range:0.00V~200V;Resolution accuracy:0.05VCurrent testing range:0.00A~20A;Resolution accuracy:0.05ACapacity accumulated range:0~999.999Ah;Resolution accuracy:0.01AhElectricity accumulated range:0~9999.9Wh;Resolution accuracy:0.01WhPower measurement range:0~2999.99W;Resolution accuracy:0.01WImpedance measurement range:1~999.9 ohm;Resolution accuracy:0.01ohmTemperature measurement range:0~99,0~99;Resolution accuracy:1Timing the maximum time:999 hours 59minutes 59 seconds;Resolution accuracy:1sTiming testing alarm setting:count down 24 hours Arbitrary setting valueSmall current standby alarm threshold parameter and timing:<2W/0.5 hour; >0.5W begin timing4~30V DC voltage provides electricity for testing systemRefresh time:>500mS/times;> 500mS/timesTesting speed rate:about 2 times/sOver voltage over current setting alarm method:display warming interface alrm usersOver voltage warning setting range:1~200VLow voltage warning setting range:0~190VOver current warming setting range:0.2~100AMaximum power: 185W (more than 185W will send a quick alarm to cut off the output current and protect the product) Display screen type:micro power consumption crystal module LCM black font green backlight Chinese English display screenWorking temperature:-10~+60; -10~+60Working humidity:10~80 (no condensation);10~80(no doubt)Working gas pressure:80~106kPa - When the power is > 0.5W, the time will be calculated. Size:15.6 x 13 x 9.6cm/6.1 x 5.1 x 3.8inchWeight:700gOperation method:Keystrokes using method and the capacity, power,time reset Settings:1) Reset button long-press all data (mAh,Wh,00:00:00)2) Quickly button twice - capacity Reset (mAh)3) Quickly button three - power reset (Wh)4) Quickly button four - time reset (00:00:00)5) Quickly button five - Set up automatic standby and Discharge the countdown to remind regularly6)Whenno load output no-load,quick seven keys,and for the current zeroto zeroin the current environment temperature for accurate calibration,so more can do more accurate measurement in small current. Package Included:1 x 185W USB Mobile Power Tester1 x Charger(US Plug)2 x Crocodile clip cableNote:Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering. .