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P3 International P4400 Kill A Watt Electricity Usage Monitor | 
 enlarge | Brand: P3 International
Category: CE
List Price: $34.63
Buy New: $15.99
You Save: $18.64 (54%)
New (70)
Avg. Customer Rating:  254 reviews
Color: Ivory
Media: Electronics
Autographed: No
Memorabilia: No
Shipping Weight (lbs): 2
Dimensions (in): 11.8 x 3 x 7.3
Weight: 5 oz.
Dimensions: 5 1/8" X 1 5/8" X 2 3/8"
Warranty: 2 years
ETL Approved
Legal Disclaimer: Warranty does not cover misuse of product.
MPN: P4400
Model: P4400
UPC: 751549044009
EAN: 0751549044009
ASIN: B00009MDBU
Availability: Usually ships in 1-2 business days
Condition: BEST PRICE ON AMAZON FAST FAST FAST SAME DAY SHIPPING!!!!
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| Features:
| • | Electricity usage monitor connects to appliances and assesses efficiency | | • | Large LCD display counts consumption by the kilowatt-hour | | • | Calculates electricity expenses by the day, week, month, or year | | • | Displays volts, amps, and wattage within 0.2 percent accuracy | | • | Compatible with inverters; designed for use with AC 115-volt appliances |
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| Editorial Reviews:
Product Description
Connect your appliances into the Kill A Watt, and assess how efficient they are. A large LCD display counts consumption by the Kilowatt-hour just like utility companies. You can figure out your electrical expenses by the hour, day, week, month, even an entire year. Monitor the quality of your power by displaying Voltage, Line Frequency, and Power Factor
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| Customer Reviews: Read 249 more reviews...
 Cool Gadget May 21, 2008
A fine gadget for those gadget hounds among us. It is neat to read the present voltage, amperage, wattage, time period for KWHr reading and KWHr number. If you are trying to find out where the electric company gets those high usage numbers, this can help find the culprits, including those phantoms like TV and other items that still draw some watts even when shut off. My wish list for improvement would include a built in battery so you could unplug the unit and still see the readings. Right now, you unplug it, you lost the readings.
 This slick gadget will pay for itself several time over! May 20, 2008
Ahhhh geee, another gadget for the junk drawer. Yaaaahhhhhnnn. WRONG!
This slick gadget is one of the best investments anyone can make when trying to conserve energy! So often, the real culprits in our homes are items we don't see, or don't think about as being power guzzlers. Here are some examples I found...
That 10 watt 12 volt outdoor lamp I illuminate the US flag at night actually draws 50 watts due to the transformer. I'd be ahead with a low wattage 120 volt lamp.
My house has a crawl space, where I run a 20" box fan 24/7 at the garage entrance during the summer months to reduce moisture. The beefy Lasko one I was using consumed 100 watts on LOW - I replaced it with a $12 WalMart/Lasko that only draws 50 watts on low (and only 100 watts on high), yet still has ample airflow.
Here were just 2 examples were I discovered I could cut energy use in half that weren't obvious and would have been overlooked without the Kill A Watt. A third example was as informative. I was concerned that my garage freezer was drawing a lot of power, and possibly failing. Nope - the Kill A Watt indicates that all is well. Whew! I was about to buy a new freezer, but the Kill A Watt saved me hundreds of dollars right there already.
Just buy one - you won't regret it!
Does just what it says! May 17, 2008
I worked for an electric utility company for 28 years - 3 of them in customer service and I'm sure this little gadget would have been a godsend to all those customers who said things like "but I never turn my lights on...why is my bill so high?". It's ideal for checking which appliances are the big energy gobblers in your home.
This item does NOT calculate cost of the electricity you use; it measures how much energy you actually do consume along with voltages, etc. But so what? We all know how to use a calculator!
The issues that prevented me from giving it a 5* rating were:
1. the screen is NOT backlit so you need to use a flashlight to get the information off the monitor the electric plug is in a dark location
2. the size of the monitor covers both of the sockets when it is plugged in so only one of the two is actually usable
What I would really like to see eventually is a reasonably priced, easy to use monitor which allows consumers to view information from multiple circuits simultaneously and report them to a single station perhaps using infra red technology.
 Not bad for the price, but accuracy not even close to 0.2% May 15, 2008
1 out of 1 found this review helpful
I used a Fluke AC power logger to compare. The P4400 read 9% too high for a refrigerator and 11% too low for a PC. (This was done using the clamp current probes on the fluke meter so their claimed accuracy is 1%.) The P4400 seems to read within 2% for purely resistive loads like a fanless space heater. It appears to be more accurate when power factor is near 1, but it is definitely not 0.2% accurate.
Great Tool! May 12, 2008
Here in New England, we have one of the highest cost per kilowatt. This device has help me discover which of my appliances are using the most electricity when not in use, I cut my electrical bill by $50.00 dollars the first month.
It is worth the investment!
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