P3 P4400 Kill A Watt Electricity Usage Monitor

The P3 P4400 Kill A Watt Electricity Usage Monitor was $31.99 when we checked it on 2026-08-03. It has not moved from that price across 7 checks since 2026-06-25.

Product Description Ever wonder just how much electricity your indoor garden consumes? How much "juice" you pour in to growing every day or longer amount of time? Now, with Hydrofarm's Kill-a-Watt electricity usage monitor, you're always in the know. Choose from the Kill-a-Watt's four settings to monitor your electrical usage by day, week, month, or year. Find out just how much that holiday lighting setup really costs you, or use it as a judgement call on whether it's time to replace old equipment that becomes a drag on your finances. With an easy-to-read screen. Amazon.com Empowers You to Save Hundreds on Electric Bills Electricity bills are rising. Now you can cut down on costs and find out what appliances are actually worth keeping plugged in. Simply connect these appliances to the Kill

Editor's note

The fastest way to settle which appliance is quietly running up your bill. Plug it in, read the number, stop guessing.

P3 P4400 Kill A Watt Electricity Usage Monitor price history

7 weekly checks of our own, from 2026-06-25 to 2026-08-03. How our price tracking works

$31.99

Jun 25Jul 6Jul 13Jul 20Jul 27Aug 3

$31.99 at all 7 checks we have taken, Jun 25 to Aug 3, 2026.

Every observation (7)

Date	Price	Source
Jun 25, 2026	$31.99	Weekly check
Jun 29, 2026	$31.99	Weekly check
Jul 6, 2026	$31.99	Weekly check
Jul 13, 2026	$31.99	Weekly check
Jul 20, 2026	$31.99	Weekly check
Jul 27, 2026	$31.99	Weekly check
Aug 3, 2026	$31.99	Weekly check

About this item

Choose from the Kill-a-Watt's four settings to monitor your electrical usage
Monitor your electrical usage by day, week, month, or year
Features easy-to-read screen
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 - 2.0percent accuracy
Compatible with inverters; designed for use with AC 115-volt appliances

Details

Item Weight: 6.4 ounces
Product Dimensions: 8.4 x 2.1 x 6.1 inches
Item model number: LGP4400
Size: Original version
Color: No Color
Style: 1 Pack - Model P4400
Material: Other

#monitors #monitor

P3 P4400 Kill A Watt Electricity Usage Monitor: common questions

Is the P3 P4400 Kill A Watt Electricity Usage Monitor worth it?

The fastest way to settle which appliance is quietly running up your bill. Plug it in, read the number, stop guessing. Its Amazon listing shows 4.6 out of 5 stars across 9,759 ratings, which is the retailer's figure and not our verdict.

How much does the P3 P4400 Kill A Watt Electricity Usage Monitor cost?

The P3 P4400 Kill A Watt Electricity Usage Monitor was $31.99 when we checked it on 2026-08-03. Prices change often, so the live retailer link carries the current number.

Is now a good time to buy the P3 P4400 Kill A Watt Electricity Usage Monitor?

We have checked the P3 P4400 Kill A Watt Electricity Usage Monitor 7 times since 2026-06-25 and the price has not moved from $31.99. Our record shows no drop and no rise.