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Features:  1. Electrical parameter measurement function: voltage, current, active power, energy, frequency, power factor2. Overload alarm function: over power alarm threshold, backlight and power flashing to alarm3. Power alarm threshold preset function: can set power alarm threshold..

Features:1. Electrical parameter measurement function (voltage, current, active power, energy, frequency, power factor)2. Overload alarm function (over power alarm threshold, backlight and power flashing to alarm)3. Power alarm threshold preset function (can set power alarm threshold)..

User Manual Download Way:1, User manual, PC software installation instruction and PC software and Android APP download link : https://www.mediafire.com/folder/u31yag73fh7j2/AT26302, IOS APP: search E_test on I1phone AiPP store to download 3. Android APP: search E-test at Google play to down loadProd..

Features: High precision: 4-digitWorking voltage: DC 4V-28VWorking current:..

Specifications: Voltage measurement range: 0.0V-100VCurrent test range: 0-999mA, 0-10APower supply range: DC4-30.0VVoltage error: ±0.1%Current error: ±1%Working current: < 20mARefresh rate: about 300mS onceDisplay mode: double three-digit 0.28" LED digital tubeDisplay c..