Outdoor smart lighting
Choose an outdoor-rated plug, compatible smart bulb, or indoor wall switch while avoiding unsafe outdoor mismatches.
Sonoff S40 Smart Plug with Energy Monitoring: APP remote control
The SONOFF S40 Smart Plug brings energy monitoring and remote control to your home. Set custom schedules for lamps, fans, or coffee makers to save energy and money. Use the eWeLink app to monitor real-time power consumption and view historical data up to 100 days. Pair with Alexa or Google Home for voice control. Share access with family for easy group control. Works with 2.4GHz WiFi only.
- Control appliances from anywhere via the eWeLink app
- Voice commands with Alexa or Google Home
- Track real-time energy usage and history
- Create schedules and group multiple plugs
- ETL certified for safety, 15A rating
Features
- Voice control with Alexa and Google Home
- Energy consumption monitoring
- Schedule and group control
- Easy setup and use
- APP remote control
General specs
- Brand: Sonoff
- Model: S40
- Seller: Retailer
- ID: B0DSBXWJ2B
- Type: Smart Plug
- Brand: SONOFF
- Model: S40
- App Control: eWeLink
- Max Current: 15A
- Hub Required: No
- Group Control: Yes
- Remote Control: Yes
- WiFi Frequency: 2.4 GHz
- Control Schedule: Yes
- Energy Monitoring: Yes
- Smart Home Compatibility: Amazon Alexa, Google Home, IFTTT
- Consumption History Power: 100 days
- First listed by seller: May 29, 2026
If you are interested in more details, you can find full information on the seller's page.
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Shipping options
Delivery to 
United States
United States
Available
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| Brand | SONOFF | SONOFF | SONOFF | SONOFF | SONOFF | AiSeek |
| Model | S40 | S40 | S31 Lite | S40 Lite | S31 | |
| Color |
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| Rating |
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| Price | €11.35 | €9.53 | €9.61 | €9.69 | €9.53 | €14.85 |
| Seller | Retailer | Retailer | Retailer | Retailer | Retailer | Retailer |
| Update | May 29, 2026 | Jun 24, 2026 | May 29, 2026 | Jun 24, 2026 | Jun 24, 2026 | May 18, 2026 |
| App Control | eWeLink | eWeLink | eWeLink | |||
| Hub Required | No | No | No | |||
| Energy Monitoring | Yes | Yes | Yes | Real-time power consumption tracking | ||
| Current Rating | 15A | 15A | 15A | |||
| Product Type | Smart Plug, Smart Outlet Switch | WiFi Smart Plug | WiFi Smart Plug | Energy Monitoring Plug | ||
Sonoff S40 APP remote control
€11.35
When this device makes sense
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