Kasa Smart Outdoor Smart Plug KP400
Smart Home Wi-Fi Outlet with 2 Sockets, Works with Alexa, Google Home &IFTTT, No Hub Required, Sunset &…
Price as of 2026-06-02. Check Amazon for the current price.
Quick Decision
Is This Right For You?
- •Buyers who prioritize quality over price in Smart Plugs
- •Those who want a top-rated option — in the top 2% of Smart Plugs by rating
- •Risk-averse buyers — 19,272+ reviews give a highly reliable picture
- •Kasa Smart loyalists — the brand spans 22 products in our database
- •You're on a tight budget — $10 above the category average of $30
- •DEWENWILS Matter Smart Plug offers a better rating (4.8/5) at a similar or lower price ($19)
- •KTMC Smart Plug 4 Pack — 55% cheaper at $18 (Score B+)
- •DEWENWILS Matter Smart Plug — higher rated at 4.8/5 ($19)
📊 Based on data analysis of 45 products in this category.
Mubboo Score: B-
How It Compares
This Product Kasa Smart Outdoor Smart Plug KP400 | Most Popular Amazon Smart Plug | Best Rated DEWENWILS Matter Smart Plug | Best Value KTMC Smart Plug 4 Pack | |
|---|---|---|---|---|
| Price | $39.99 | $24.99 | $18.99 | $17.93 |
| Rating | 4.7/5 | 4.7/5 | 4.8/5 | 4.4/5 |
| Reviews | 19,272 | 570,946 | 9,348 | 630 |
| Mubboo Score | B- | A+ | A | B+ |
Quick Specs
- Color
- Black
- Model
- KP400
- Voltage
- 120 Volts
- Wattage
- 1875 watts
- Material
- Polycarbonate (PC)
- Unit Count
- 1.0 Count
- Item Weight
- 10.24 ounces
- Part Number
- KP400
What People Say
Synthesized from 40 reviews · 100% verified purchases.
Check voice assistant compatibility—some plugs are Alexa-exclusive. Choose mini versions for tight outlets, and ensure stable 2.4GHz Wi-Fi to avoid disconnects.
- Easy setup and installation
- Seamless Alexa and voice control integration
- Reliable, consistent performance
- Compact design that doesn't block adjacent outlets
- Useful scheduling and automation features
- Bulky design that can block other outlets
- Wi-Fi connectivity issues and random disconnects
- Setup can be frustrating with router settings or app quirks
- Higher price compared to competitors
Key Features
- ✦Double the outlets control 2 outdoor devices from anywhere together or individually, with one smart plug; Ideal for landscape lighting, swimming pool pumps, holiday lights, or othe…
- ✦Weather resistant and IP64 rated, long Wi-Fi range up to 300 feet
- ✦Control from anywhere with your smartphone with device grouping
- ✦Voice control with Google or Alexa
- ✦The plug's shell is made of UL94-V0 PC—a material ideal for fire prevention
Source: product listing on Amazon.
About Kasa Smart
- 22 products in our database
- Average rating: 4.5/5 across all products
- Price range: $9.60 – $44.99
- Categories: Ceiling Fans, LED Strip Lights, outlets-and-accessories, Pet Cameras, Power Strips, Home Security Cameras
Other Smart Plugs
Bottom Line
Kasa Smart Outdoor Smart Plug KP400 earns Mubboo Score B-. Priced at $40 — a premium option, above the category average of $30. Rated 4.7/5 from 19,272+ reviews. Strong buy if: buyers who prioritize quality over price in smart plugs, those who want a top-rated option. Skip if: you're on a tight budget — Amazon Smart Plug (Score A+, $25) may fit better.
Frequently Asked Questions
Is the Kasa Smart Outdoor Smart Plug KP400 worth buying in 2026?
It earns a Mubboo Score of B-, with a 4.7/5 rating from 19,272 reviews — better than 98% of Smart Plugs we track.
How much does the Kasa Smart Outdoor Smart Plug KP400 cost?
It is currently $39.99 — premium-tier pricing for Smart Plugs.
How does the Outdoor Smart Plug KP400 compare to other Smart Plugs?
The category's most-reviewed alternative is the Amazon Smart Plug (4.7/5, 570,946 reviews, $24.99). The Outdoor Smart Plug KP400 carries a Mubboo Score of B- vs A+.
Sources & References
Mubboo may earn a commission from purchases made through links on this page. Prices and availability are accurate as of the last sync (2026-06-02) and may change.