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| P3 International P4400 Kill A Watt Electricity Usage Monitor | 
 enlarge | List Price: $34.63
Buy New: $14.67
You Save: $19.96 (58%)
Buy New/Used
Avg. Customer Rating:  (based on 272 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: 840356945811
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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| 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 267 more reviews...
 monitoring electrical usage July 8, 2008
The Kill-o-watt is a handy little tool for figuring out what appliances are soaking up power and driving up our power bill. Well worth the cost and interesting just to see, for example, how much things like cable boxes and DVD players consume when passive.
works good if u understand it July 2, 2008
our electric company has raised our rate a penny per kilo watt hour. This dose not sound like much but if my TV uses 200 kw an hour then it cost me $2 to watch 2 hours!
This Kill-A-Watt reader is great for showing me where my power hogs are in the house.
The only problem I have with it is that it was a little hard to understand. I wish that the instructions were easier to read and understand what the numbers mean.
This reader showed me that my energy saving light bulbs still rack up a lot of power! and so dose my laptop which I was always told used a LOT less power then a desk top.
 Great tool June 30, 2008
Quick delivery. Great tool. Used daily to track energy usage by my Zenn Electric Vehicle. Displays Kilowatts used, current levels, and more. Also used to track usage by portable AC unit. Good to know how much electricity is being used.
handy gadget June 20, 2008
2 out of 2 found this review helpful
This handy little gadget lets you easily check the power consumption of any device plugged into it. It's easy to use. Buttons on the front select which value is displayed. It can track real time usage as well as cumulative usage. It also properly deals with VA vs Watts (which, if you're sizing a device for a UPS is a necessary distinction).... on some devices they're two different things.
When you first get it, you'll likely be tempted to go around checking every device you can find. (Will only do devices that use a standard wall outlet however, not big things like air conditioners, water heaters, etc that require a specialized outlet). It's actually pretty interesting to see what appliances actually use and how that varies with different appliance functions/settings. Many of them use power even when "off".
The main drawback of the design is that it blocks both plugs of a standard wall outlet, so you can't have another device plugged into the outlet at the same time. Sometimes it's an awkward fit. I'd highly recommend using a power strip or short heavy duty extension cord with it. (plug the cord or strip into the wall, the power monitor into the cord or strip and then the device you want to check into it.) This allows more flexibility and gets it where you can see it. A backlight on the display would be a nice addition as it's hard to read in dark corners.
overall, a worthwhile purchase.
 Does what it says but not the best design June 18, 2008
2 out of 2 found this review helpful
Yes, the product performs as advertised -- it'll display the amount of energy consumed in KW/hour, watts, volts, and amps. It just doesn't have a very thoughtful design. Some comments:
1. As depicted in another reviewer's photo, the unit is bulky and the top extends a bit high over the prongs -- as such, it monopolizes an entire standard dual outlet requiring the user to unplug something else (probably the lamp required to see the LCD screen).
2. The LCD screen is not backlit so crouching behind a dark appliance to get a reading is a hassle.
3. It'd be nice if the unit had supplemental battery power to save the readout until you plugged it into something else (even better would be some memory to store multiple readings). The device is passive so once you unplug a device from it, the information is lost.
4. It doesn't compute KW/hour immediately. This is a fairly simple calculation for a device like this to compute on the fly.
At a list price of $35, it should have at least some of the features listed above. As it stands, this is a primitive device in "attractive" plastic cladding.
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