P3 International Kill-A-Watt electric usage monitorETL approvedAccurate within .2%Large LCD display counts consumption by the Killowatt-hour, same as your local utilityMonitors electric consumptionEnables cost forecasting by the day, week, month, even an entire yearDisplays 8 critical units of measurementCheck the quality of your power by monitoring Voltage, Line Frequency, and Power Factor Helpful in detecting voltage drops and brownout conditionsPlugs in between outlet and device to be measuredGrayP3P4400
Great, while it worked
This review is from: Kill-A-Watt Electric Usage Monitor
Pros: Very helpful in showing which of my electronics and household appliances consumed the most power. Confirmed power usage on older TVs though they were turned off; ended up putting those on power strips.
Cons: Died within 6 months! None of the functions worked, no display. As it was so inexpensive I chose not to try and get a replacement/refund.
Other Thoughts: While I was able to selectively put some items on power strips (see pros above), I wish it still worked so I could check newer electronics/appliances.
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