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P3 International P4456 Kill A Watt Flex Electricity Usage Monitor – Advanced Power Meter with Data Memory, CO₂ Tracking & Cost Calculator – Upgrade from P4400 Watt Meter
✅ In stock
D
Grade
Analysis Confidence
100%
⚠️ Price may have changed. Last updated 24+ hours ago — confirm on Amazon.
Check Deal at Amazon
Price verified Oct 3, 2026 3:56 PM · Prices & availability subject to change
Is This a Good Price on Amazon?
😐 Weak Deal- 😐Verdict: Weak Deal. Marginal discount. Prices may drop further soon.
- 💰At 10% off its standard going rate, this offer delivers clear value for the money.
- 📉This is the most affordable price seen in roughly three months — a solid near-term opportunity.
- ➡️Pricing has held fairly steady, with no strong push in either direction.
How We Scored This Deal
Price Competitiveness
11.21/28
Recent Value
2.26/22
Market Standing
17.63/20
Deal Strength
7/20
Momentum
4/10
📝 Product Overview
🏪 Sold by
Timers Plus
📦 Fulfillment
Fulfilled by Amazon
🚚 Shipping
Free Shipping
Product Details
✓The P4456 Kill A Watt Flex is the next-generation upgrade to the classic P4400, offering enhanced tracking, stored data, and deeper insights into your energy usage.
✓Unlike basic watt meters, the P4456 stores your power usage data, so you don’t lose readings when moving between outlets or appliances.
✓See not just how much electricity you use, but your estimated environmental impact — a feature not available on standard watt meters.
✓Instantly measure volts, amps, watts, kilowatt-hours, and projected electricity costs by day, week, month, or year with improved display cycling.
✓Ideal for refrigerators, freezers, space heaters, AC units, gaming PCs, mining rigs, and appliances with fluctuating power draw.
⚙️ Specifications
Model:
P4456
Operating Voltage:
115 VAC
Max Voltage:
115 VAC
Max Current:
15 A
Max Power:
1875 VA
Weight:
5 oz.
Dimensions:
5 1/8"H x 2 1/2"W x 1 1/2"D
Manufacturer
P3 International
Part Number
P4456
Item Weight
6.7 ounces
Product Dimensions
6.2 x 2.5 x 6.6 inches
