---
title: "P3 P4400 Kill A Watt Electricity Usage Monitor"
url: "https://omorp.com/product/p3-p4400-kill-a-watt-electricity-usage-monitor-b00009mdbu"
asin: "B00009MDBU"
brand: "P3"
category: "monitors"
price: "$31.99"
price_checked: "2026-08-03"
site: "Elan's Best (omorp.com)"
---

# P3 P4400 Kill A Watt Electricity Usage Monitor

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.

## Overview

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.

## Specifications

- 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

## Price history (tracked by Elan's Best)

- Current: $31.99 (checked 2026-08-03)
- Lowest we have recorded: $31.99 on 2026-06-25
- Highest we have recorded: $31.99 on 2026-06-25
- Our own weekly checks: 7 over 39 days, from 2026-06-25 to 2026-08-03
- Median of our checks: $31.99

## 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.

Retailer rating (from the Amazon listing, not our score): 4.6 out of 5 across 9,759 reviews.

---

Disclosure: Elan's Best may earn an affiliate commission on purchases made through our links, at no extra cost to the buyer. Commissions never change our picks.

Source: https://omorp.com/product/p3-p4400-kill-a-watt-electricity-usage-monitor-b00009mdbu