| P3 International P4400 Kill A Watt Electricity Usage Monitor | 
 enlarge | List Price: $34.63
Buy New: $15.99
You Save: $18.64 (54%)
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Avg. Customer Rating:   (based on 250 reviews)
Category: CE
Publisher: P3 International
Studio: P3 International
Brand: P3 International
Label: P3 International
Color: Ivory
Media: Electronics
Autographed: 0
Memorabilia: 0
Special Features: Array
Legal Disclaimer: Warranty does not cover misuse of product.
Shipping Weight (lbs): 2
Dimensions (in): 11.8 x 3 x 7.3
MPN: P4400
Model: P4400
UPC: 751549044009
EAN: 0751549044009
ASIN: B00009MDBU
Availability: Usually ships in 1-2 business days
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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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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 245 more reviews...
 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
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!
Great product! April 27, 2008
These are great tools for figuring out the actual energy used on any appliance in the house. This product arms you with knowledge you need to make smarter choices and lower your energy bill.. My intertainment system consumes 35 watts of power when it's turned off..!
Cool device! April 26, 2008
Pros: Works well, many readouts, very interesting to see what your home electric devices cost to run.
Cons: Display is hard to read. It could use a backlight and a battery backup. All data is lost if you lose power to your house.
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