No C Wire Options
Compare no-C-wire smart thermostats by power method: included adapters and extenders, battery power, and the line-voltage systems to rule out.
Sinilink SA30/SA30-W SA30/SA30-W WiFi Thermostat Temperature Controller with Digital Display
Features
- APP remote control via smartphone
- Wide temperature range from -40 to 230°F
- High current capability with 30A relay
- Enhanced user experience with buzzer alert and backlight control
- Cloud record and remote firmware upgrade
- High quality material construction for longevity
General specs
- Brand: Sinilink
- Model: SA30/SA30-W
- Seller: Banggood
- ID: 2001916
- Model: SA30, SA30-W
- Weight: 0.22 lbs
- Dimensions: 3.11 x 1.69 x 0.98 inches
- Probe Type: 10K NTC 3950B
- Connectivity: WiFi
- Probe Length: 6.56 feet
- Input Voltage: AC110-220V
- Control Method: Remote via App, Digital Display
- Output Voltage: AC110-220V
- Maximum Current: 30A
- Control Accuracy: 0.1°C
- Additional Features: Buzzer Alert, Backlight Control, Alarm Notification, Cloud Record, Remote Firmware Upgrade, Waterproof Probe
- Maximum Control Power: 4000W
- Temperature Control Range: -40°F to 230°F
- First listed by seller: February 23, 2026
If you are interested in more details, you can find full information on the seller's page.
€15.34
Last price update: 5/9/26
Available to order
Price History for seller Banggood
Shipping options
Delivery to 
United States
United States
Available
For the DIY enthusiast managing a home brewery or reptile habitat, this thermostat offers precise control from your smartphone. It moves beyond basic temperature regulation to become a reliable partner for your projects, ensuring consistent conditions without constant manual checks.
The app sends an alert if temperatures drift, letting you adjust settings remotely before issues arise. With a 30A relay handling up to 4000W, it powers heavy-duty equipment safely. The waterproof probe provides accurate readings in damp environments, and features like cloud recording help track performance over time.
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|
| Brand | Sinilink | Tuya | Tuya | Honeywell | Sinilink | LUX |
| Model | SA30/SA30-W | YJ508 | WT20R | TH8321WF1001 | SA10/SA10-W | TQX |
| Price | €15.34 | €21.31 | €28.98 | €157.97 | €13.69 | €151.72 |
| Seller | Banggood | Banggood | Banggood | Retailer | Banggood | Retailer |
| Update | May 9, 2026 | May 9, 2026 | May 9, 2026 | Jun 24, 2026 | May 9, 2026 | Jun 24, 2026 |
| Connectivity | WiFi | WiFi | WiFi, Matter | |||
| Input Voltage | AC110-220V | 100-240V AC | AC110-220V | |||
| Temperature Control Range | -40°F to 230°F | 41°F to 113°F | -40°F to 230°F | |||
Sinilink SA30/SA30-W APP remote control via smartphone
€15.34
When this device makes sense
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