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Best outdoor smart plug

Tapo Smart Outdoor Plug P400M

By the Plugged-In Home editors · Updated Sep 29, 2026

Two weatherproof outlets you control separately, with Matter for every major home app.

Usually under $30
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Our take

The P400M is the outdoor plug to buy for most yards: two separately controlled outlets, a higher IP65 weather rating than Kasa’s IP64 model, and Matter, so it works with whatever app you use. It doesn’t track energy use.

What we like

  • Two outlets, each controlled on its own
  • Matter: works with Apple Home, Alexa, Google Home and SmartThings
  • IP65, rated from -4°F to 122°F

Watch out for

  • No energy monitoring
  • 2.4 GHz Wi-Fi only
  • Short cord (Tom’s Guide)

Skip it if you want to dim string lights. The Tapo P430M is the dimmer version.

See alternatives

Specifications

Made by
TP-Link Tapo
Outlets
2, individually controlled
Weather rating
IP65
Max load
15 A, 1800 W (resistive)
Temperature range
-4°F to 122°F
Wi-Fi
2.4 GHz, up to 300 ft in the open (maker)
Works with
Apple Home, Alexa, Google Home, SmartThings (Matter)
Tapo Smart Outdoor Plug P400M
8.7/10Usually under $30

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