Shelly 2PM Gen4 vs Shelly Dimmer Gen4 comparison

Updated July 2026

Data from Amazon and official Shelly site.

2026 verdict

Shelly Dimmer Gen4 is the more complete option versus Shelly 2PM Gen4 in 2026, helped most by connectivity, power off memory, and wet contact mode. What pushes it ahead is connectivity, power off memory, and wet contact mode, and its broader overall balance keeps the advantage from looking narrow. The only strong reason to choose Shelly 2PM Gen4 is if price, rating, and relay channels are more important to you than the overall verdict. For most setups, Shelly Dimmer Gen4 is the smarter buy.

Shelly

Shelly 2PM Gen4

$38.99

Buy on Amazon USA

Winner

Shelly

Shelly Dimmer Gen4

$49.98

Buy on Amazon USA Buy on Amazon Canada

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Feature	Shelly 2PM Gen4	Shelly Dimmer Gen4	Winner
Price	$38.99	$49.98	Shelly 2PM Gen4
Rating	4.6	4.0	Shelly 2PM Gen4
Connectivity	Bluetooth, Zigbee	2.4 GHz WiFi, Bluetooth, Zigbee	Shelly Dimmer Gen4
Relay Channels	2	1	Shelly 2PM Gen4
Power Off Memory	NO	YES	Shelly Dimmer Gen4
Wet Contact Mode	NO	YES	Shelly Dimmer Gen4
Warranty	3 years	3 years	Tie
Safety	Overheating protection, Overvoltage protection, Overcurrent protection, Overpower protection	Overheating protection, Overvoltage protection, Overcurrent protection, Overpower protection	Tie
Integrations	Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter	Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter	Tie
Energy Monitoring	YES	YES	Tie
Dry Contact Mode	NO	NO	Tie
Zibgee Router	YES	YES	Tie

Shelly

Shelly 2PM Gen4

$38.99

Buy on Amazon USA

+ Price: $38.99
+ Rating: 4.6
+ Relay Channels: 2
- Connectivity: Bluetooth, Zigbee vs 2.4 GHz WiFi, Bluetooth, Zigbee
- Power Off Memory: NO vs YES

Winner

Shelly

Shelly Dimmer Gen4

$49.98

Buy on Amazon USA Buy on Amazon Canada

+ Connectivity: 2.4 GHz WiFi, Bluetooth, Zigbee
+ Power Off Memory: YES
+ Wet Contact Mode: YES
- Price: $49.98 vs $38.99
- Rating: 4.0 vs 4.6

Frequently Asked Questions

Which is better overall: Shelly 2PM Gen4 or Shelly Dimmer Gen4?

Shelly Dimmer Gen4 has the stronger overall profile in this comparison, especially for connectivity, power off memory, and wet contact mode.

What is the biggest difference between Shelly 2PM Gen4 and Shelly Dimmer Gen4?

Price is one of the clearest differences: Shelly 2PM Gen4 lists $38.99, while Shelly Dimmer Gen4 lists $49.98.

Which one looks better on price?

Shelly 2PM Gen4 is listed at $38.99, while Shelly Dimmer Gen4 is listed at $49.98. Shelly 2PM Gen4 (better spec).

Who should buy Shelly 2PM Gen4?

Choose Shelly 2PM Gen4 if your priority is price and rating and that matters more than connectivity.

Who should buy Shelly Dimmer Gen4?

Choose Shelly Dimmer Gen4 if your priority is connectivity and power off memory and that matters more than price.

Full comparison table

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