Sonoff WiFi Smart Plug S40 vs Zooz Smart Plug ZEN04 800LR

Updated September 2026

Data from Amazon and official Sonoff and Zooz sites.

2026 verdict

Sonoff WiFi Smart Plug S40 wins the 2026 matchup against Zooz Smart Plug ZEN04 800LR, mainly on price, Overheat/Overload protection, and connectivity.

Winner

Sonoff WiFi Smart Plug S40

$10.90

Buy on Amazon USACheck price

What pushes it ahead is price, Overheat/Overload protection, and connectivity, and integrations keep the advantage from looking narrow. The only strong reason to choose Zooz Smart Plug ZEN04 800LR is if rating is more important to you than the overall verdict. As a general recommendation, Sonoff WiFi Smart Plug S40 comes out on top.

Winner

Sonoff

Sonoff WiFi Smart Plug S40

$10.90

Buy on Amazon USACheck price

Zooz

Zooz Smart Plug ZEN04 800LR

$35.95

Buy on Amazon USACheck price Buy on Amazon Canada

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Feature	Sonoff WiFi Smart Plug S40	Zooz Smart Plug ZEN04 800LR	Winner
Price	$10.90	$35.95	Sonoff WiFi Smart Plug S40
Rating	4.2	4.8	Zooz Smart Plug ZEN04 800LR
Overheat/Overload Protection	YES	NO	Sonoff WiFi Smart Plug S40
Connectivity	2.4 GHz WiFi, Bluetooth	Z-Wave	Sonoff WiFi Smart Plug S40
Integrations	Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter	Alexa, Samsung SmartThings, Home Assistant	Sonoff WiFi Smart Plug S40
Weather Resistance	NO	NO	Tie
Plug Format	Type B	Type B	Tie
Maximum Load Power	1800W	1800W	Tie
Energy Monitoring	YES	YES	Tie
On/Off Button	YES	YES	Tie
Zibgee Router	NO	NO	Tie

Winner

Sonoff

Sonoff WiFi Smart Plug S40

$10.90

Buy on Amazon USACheck price

+ Price: $10.90
+ Overheat/Overload Protection: YES
+ Connectivity: 2.4 GHz WiFi, Bluetooth
- Rating: 4.2 vs 4.8

Zooz

Zooz Smart Plug ZEN04 800LR

$35.95

Buy on Amazon USACheck price Buy on Amazon Canada

+ Rating: 4.8
- Price: $35.95 vs $10.90
- Overheat/Overload Protection: NO vs YES

Frequently Asked Questions

Which is better overall: Sonoff WiFi Smart Plug S40 or Zooz Smart Plug ZEN04 800LR?

Sonoff WiFi Smart Plug S40 has the stronger overall profile in this comparison, especially for price, Overheat/Overload protection, and connectivity.

What is the biggest difference between Sonoff WiFi Smart Plug S40 and Zooz Smart Plug ZEN04 800LR?

Price is one of the clearest differences: Sonoff WiFi Smart Plug S40 lists $10.90, while Zooz Smart Plug ZEN04 800LR lists $35.95.

Which one looks better on price?

Sonoff WiFi Smart Plug S40 is listed at $10.90, while Zooz Smart Plug ZEN04 800LR is listed at $35.95. Sonoff WiFi Smart Plug S40 (better spec).

Who should buy Sonoff WiFi Smart Plug S40?

Choose Sonoff WiFi Smart Plug S40 if your priority is price and Overheat/Overload protection and that matters more than rating.

Who should buy Zooz Smart Plug ZEN04 800LR?

Choose Zooz Smart Plug ZEN04 800LR if your priority is rating and that matters more than price.

Full comparison table

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