Relays · Head to head

Aqara Dual Relay Module T2 vs Shelly Dimmer Gen4

Full Smart Relays comparison in 2026

Updated August 2026
Data from Amazon and official Aqara and Shelly sites.
2026 verdict
Aqara Dual Relay Module T2 wins the 2026 matchup against Shelly Dimmer Gen4, mainly on price, rating, and max resistive load power (Per Channel). The comparison tilts its way because of price, rating, and max resistive load power (Per Channel), with relay channels and dry contact mode keeping it in front. Shelly Dimmer Gen4 remains a niche alternative if warranty and connectivity matter more than the rest of the comparison. That makes Aqara Dual Relay Module T2 the clearer recommendation in 2026.
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FeatureAqara Dual Relay Module T2Shelly Dimmer Gen4Winner
Price$34.99$49.98Aqara Dual Relay Module T2
Rating4.44.0Aqara Dual Relay Module T2
Warranty1 year3 yearsShelly Dimmer Gen4
Max Resistive Load Power (Per Channel)2500W200 WAqara Dual Relay Module T2
ConnectivityZigbee2.4 GHz WiFi, Bluetooth, ZigbeeShelly Dimmer Gen4
Relay Channels21Aqara Dual Relay Module T2
Dry Contact ModeYESNOAqara Dual Relay Module T2
SafetyOverheating protection, Overvoltage protection, Overcurrent protection, Overpower protectionOverheating protection, Overvoltage protection, Overcurrent protection, Overpower protectionTie
IntegrationsGoogle Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, MatterGoogle Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, MatterTie
Energy MonitoringYESYESTie
Power Off MemoryYESYESTie
Wet Contact ModeYESYESTie

Frequently Asked Questions

Which is better overall: Aqara Dual Relay Module T2 or Shelly Dimmer Gen4?

Aqara Dual Relay Module T2 has the stronger overall profile in this comparison, especially for price, rating, and max resistive load power (Per Channel).

What is the biggest difference between Aqara Dual Relay Module T2 and Shelly Dimmer Gen4?

Price is one of the clearest differences: Aqara Dual Relay Module T2 lists $34.99, while Shelly Dimmer Gen4 lists $49.98.

Which one looks better on price?

Aqara Dual Relay Module T2 is listed at $34.99, while Shelly Dimmer Gen4 is listed at $49.98. Aqara Dual Relay Module T2 (better spec).

Who should buy Aqara Dual Relay Module T2?

Choose Aqara Dual Relay Module T2 if your priority is price and rating and that matters more than warranty.

Who should buy Shelly Dimmer Gen4?

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

Full comparison table

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