ITEM NAME:AC Single Phase Digital Panel Voltmeter Ammeter 220V 100A Voltage Current E C4U9 AC Single Phase Digital Panel Voltmeter Ammeter 220V 100A Voltage Current E C4U9 1. Electrical parameter measurement function (voltage, current, active power, energy) 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). 4. Reset energy function. 5. Store data when power off. STN whole viewing angle LCD (display voltage, current, active power/energy at the same time) Backlight function. Working voltage: 80 ~ 260VAC Test voltage: 80 ~ 260VAC Rated power: 100A/22000W Operating frequency: 45-65Hz Measurement accuracy: 1.0 grade size:67*57.5*24mm Material:ABS colour:black Package Contents: 1 * PZEM-011 AC Voltmeter Ammeter 1 * Coil CT.Power alarm threshold preset function (can set power alarm threshold). Rated power: 100A/22000W.