Updated September 2026
Data from Amazon and official Meross and Shelly sites.
2026 verdict
In 2026, the recommendation leans toward Shelly Dimmer Gen4 over Meross Matter Smart DIY Switch with Energy Monitor, driven by warranty, safety, and connectivity.
It builds its lead on warranty, safety, and connectivity, then backs it up with a stronger showing on power off memory and zibgee router. Meross Matter Smart DIY Switch with Energy Monitor is the better fit only for buyers who prioritize price, rating, and max resistive load power (Per Channel) above everything else here. For most setups, Shelly Dimmer Gen4 is the smarter buy.
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| Feature | Meross Matter Smart DIY Switch with Energy Monitor | Shelly Dimmer Gen4 | Winner |
|---|---|---|---|
| Price | £16.99 | $49.98 | Meross Matter Smart DIY Switch with Energy Monitor |
| Rating | 4.4 | 4.2 | Meross Matter Smart DIY Switch with Energy Monitor |
| Warranty | 2 years | 3 years | Shelly Dimmer Gen4 |
| Max Resistive Load Power (Per Channel) | 3800W | 200 W | Meross Matter Smart DIY Switch with Energy Monitor |
| Safety | Overheating protection | Overheating protection, Overvoltage protection, Overcurrent protection, Overpower protection | Shelly Dimmer Gen4 |
| Connectivity | 2.4 GHz WiFi | 2.4 GHz WiFi, Bluetooth, Zigbee | Shelly Dimmer Gen4 |
| Power Off Memory | NO | YES | Shelly Dimmer Gen4 |
| Zibgee Router | NO | YES | Shelly Dimmer Gen4 |
| Integrations | Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter | Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter | Tie |
| Relay Channels | 1 | 1 | Tie |
| Energy Monitoring | YES | YES | Tie |
| Dry Contact Mode | NO | NO | Tie |
15% OFF
£16.99
£19.99
- + Price: £16.99
- + Rating: 4.4
- + Max Resistive Load Power (Per Channel): 3800W
- - Warranty: 2 years vs 3 years
- - Safety: Overheating protection vs Overheating protection, Overvoltage protection, Overcurrent protection, Overpower protection
Winner
- + Warranty: 3 years
- + Safety: Overheating protection, Overvoltage protection, Overcurrent protection, Overpower protection
- + Connectivity: 2.4 GHz WiFi, Bluetooth, Zigbee
- - Price: $49.98 vs £16.99
- - Rating: 4.2 vs 4.4
Frequently Asked Questions
Which is better overall: Meross Matter Smart DIY Switch with Energy Monitor or Shelly Dimmer Gen4?
Shelly Dimmer Gen4 has the stronger overall profile in this comparison, especially for warranty, safety, and connectivity.
What is the biggest difference between Meross Matter Smart DIY Switch with Energy Monitor and Shelly Dimmer Gen4?
Price is one of the clearest differences: Meross Matter Smart DIY Switch with Energy Monitor lists £16.99, while Shelly Dimmer Gen4 lists $49.98.
Which one looks better on price?
Meross Matter Smart DIY Switch with Energy Monitor is listed at £16.99, while Shelly Dimmer Gen4 is listed at $49.98. Meross Matter Smart DIY Switch with Energy Monitor (better spec).
Who should buy Meross Matter Smart DIY Switch with Energy Monitor?
Choose Meross Matter Smart DIY Switch with Energy Monitor 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 safety and that matters more than price.
Full comparison table
Compare all 44 Relays side by side
You are looking at two of them. The full table lines up all Relays in the catalog with the same specs, so you can filter by what you need and sort by price or rating.
- 44 Relays
- 53 specs compared
- 50 filters
SonoffMINI ONE PM Matter Over WiFi Smart Switch
$19.90
SonoffZBMINIR2 Extreme Zigbee Smart Switch
SonoffMINI Dry Wi-Fi Smart Switch
$14.90
ShellyShelly 2PM Gen3
$24.99
ShellyShelly 1PM Gen4
$28.99
SonoffMINI ONE Zigbee Smart Switch
$17.90
NodOnZigbee Multifunction Relay Switch with Metering
€46.72
ShellyShelly Plus 2PM
26% OFF€31.00€23.00
ShellyPM Mini Gen3
$14.49
ShellyShelly 1 Gen3
$22.99
Shelly2PM Gen4
$38.99
ShellyShelly Plus 1
$42.00
SonoffMINI Duo 2
$17.90
SonoffBasic DIN Rail Matter Over WiFi Smart Switch
$19.90
ShellyShelly Plus 1PM
$27.49
ShellyShelly 1 Mini Gen3
$17.99
ShellyShelly 1 Mini Gen4
$24.98
ShellyShelly 1PM Mini Gen4
$27.99
AqaraSingle Switch Module T1 (With Neutral)
$16.04
NodOnZigbee Multifunction Relay Switch
Door & Window SensorsMerossSmart Door and Window Sensor
3.0(35)18% OFF$21.99$17.99
Energy MonitorsMerossEM06P
4.2(143)
Energy MonitorsMerossEM16P
4.3(45)20% OFF$199.99$159.98
Garage Door OpenersMerossMSG100 Smart Garage Door Opener
4.2(6,684)15% OFF$49.99$42.49
HubsMerossSmart Wi-Fi Hub MSH400HK
4.4(45)
HubsMerossSmart Wi-Fi Hub MSH450
4.2(194)€24.99
LED BulbsMerossSmart Wi-Fi LED Bulb
4.0(793)$17.04
LED BulbsMerossSmart Wi-Fi LED Bulb with Dimmable Light
4.2(340)$44.64
PlugsMerossMatter Smart Plug Mini
4.2(211)$17.99
PlugsMerossOutdoor Smart Plug (3 Sockets)
4.4(4,753)10% OFF$30.99$27.89
PlugsMerossOutdoor Smart Plug
4.4(3,955)10% OFF$25.99$23.39
PlugsMerossSmart Wi-Fi Plug
4.3(3,154)$21.99
Presence SensorsMerossPresence Sensor MS605
3.1(88)6% OFF$27.59$25.99
Presence SensorsMerossSmart Presence Sensor
3.8(117)$33.99
Radiator ValvesMerossSmart Thermostat Valve
3.8(980)€28.41- RelaysMeross
Matter Smart DIY Switch with Energy Monitor
4.4(2,764)15% OFF£19.99£16.99 
Temperature & Humidity SensorsMerossSmart Temperature and Humidity Sensor
3.6(86)$14.99
ThermostatsMerossMTS300 Smart Thermostat
3.8(823)5% OFF$62.99$59.84
Water Leak SensorsMerossSmart Water Leak Sensor
3.7(41)$23.99
Water ValvesMerossSmart Sprinkler Timer
4.0(30)18% OFF$56.99$46.99
CamerasShellyCamera
DisplaysShellyWall Display X1i
DisplaysShellyWall Display XL
4.2(62)$349.99
DisplaysShellyWall Display
4.4(434)18% OFF€147.56€121.33
Door & Window SensorsShellyBLU Door/Window ZB
4.7(25)$22.99
Energy MonitorsShelly3EM-63W Gen3
4.6(137)
Energy MonitorsShellyEM Gen3
4.6(262)$69.99
Energy MonitorsShellyEM Gen4
Energy MonitorsShellyEM Mini Gen4
4.5(120)$24.99
Energy MonitorsShellyPro 3EM 3CT63
4.4(330)$150.99
Energy MonitorsShellyPro 3EM-400
4.3(21)$329.99
Energy MonitorsShellyPro 3EM v2
4.5(69)$154.99
Energy MonitorsShellyPro EM-50
4.6(957)$119.99
Gas DetectorsShellyGAS (CNG)
4.2(45)
Gas DetectorsShellyGAS (LPG)
LED BulbsShellyMulticolor Bulb E27 Gen3
4.3(28)
Motion SensorsShellyBLU Motion ZB
4.6(36)$26.99
Motion SensorsShellyBlu Motion
4.0(1,032)$25.99
PlugsShellyPlug M Gen3
4.5(757)$14.99
PlugsShellyPlug PM Gen3