Blue Digital LCD Display Voltmeter Ammeter Power Meter AC 80-260V 20A/4400W
Here is my youtube video showing details of such product in video: Here is the Urdu Hindi version of this instrument review on Youtube: You can buy this product on ICStation.com the link is here below: http://www.icstation.com/blue-digital-display-voltmeter-ammeter-power-meter-260v-20a4400w-p-11981.html Product Introduction: 1.Operating Voltage:AC 80-260V 2.Testing Voltage:AC 80-260V 3.Rated Power:20A/4400W 4.Operating Frequency:45-65Hz 5.Measurement Precision:1.0 level 6.Connection Picture: Function: 1.Electric parameter measurement function (voltage,current,active power,electric energy) 2.Operating time function (record load accumulated operating time) 3.Overload alarm function (if it is over power alarm threshold,the backlight will flash and sound an alarm) 4.Power alarm threshold preset function (users can set power alarm threshold freely) 5.Electricity quantity,operating time key clear function 6.Backlight function 7.P