Tuya TYW0 4ch RF 4 Channel Smart Relay Switch with Temperature Humidity Sensor: Voice assistant support for Amazon Alexa and Google Home
For homeowners who want to automate climate control for their basement workshop or garage, this 4-channel smart switch offers precise environmental management. While many smart switches focus on basic on/off functions, this device transforms temperature and humidity monitoring into proactive home maintenance.
The waterproof sensor detects subtle changes before they become problems—like alerting you when humidity rises in your laundry room, preventing mold. You can set the switch to automatically turn on a dehumidifier or fan when readings hit your preset values. With Alexa compatibility and the Tuya app, you get instant notifications and voice control from anywhere.
Schedule up to 8 tasks to optimize energy use, such as activating a space heater before you enter your cold garage. The fire-retardant enclosure and 3500W max load ensure reliable, safe operation for demanding applications.
Features
- Real-time temperature and humidity monitoring
- Automatic control based on preset temperature values
- Schedule and countdown for up to 8 tasks
- Shared functionality for multiple users
- Waterproof sensor option for wet conditions
- Voice assistant support for Amazon Alexa and Google Home
General specs
- Brand: Tuya
- Model: TYW0 4ch RF
- Seller: Banggood
- ID: 2033918
- Model: TYW0 4ch RF
- Channels: 4
- Scheduling: Up to 8 countdown or scheduled tasks
- Scenes Smart: Temperature-based triggers for other Tuya devices
- Input Current: Max 10A
- Input Voltage: DC 7-32V, USB 5V
- Remote Access: Wi-Fi enabled
- Sensor Length: 3.28 feet
- Option Sensor: Waterproof stainless steel temperature probe
- Load Max Total: 3500W, 16A across 4 gangs
- Management User: Shared control for multiple users
- Package Contents: 1 x 4 Channel AC/DC Smart Switch with Enclosure, 1 x Temperature Sensor, 1 x Temperature/Humidity Sensor (Optional)
- App Compatibility: Tuya Smart, Smart Life, Android, iOS
- Automatic Control: Based on preset temperature values
- Channel Per Power: 2200W
- Wireless Standard: 2.4GHz, 802.11 b/g/n
- Enclosure Material: Fire retardant ABS V0
- Working temperature: -4°F to 176°F
- Monitoring Capability: Real-time temperature and humidity
- Voice Assistant Support: Amazon Alexa, Google Home, Yandex Alice
- First listed by seller: 2/23/26
If you are interested in more details, you can find full information on the seller's page.
Price History for seller Banggood
| Date | Price |
|---|---|
| 2/24/26 | $16.91 |
| 2/23/26 | $16.83 |
Shipping options
United States
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| Brand | Tuya | eWeLink | Tuya | Tuya | Tuya | Tuya |
| Model | TYW0 4ch RF | Zigbee Smart Switch | Mini Zigbee | D1 | ||
| Color | ||||||
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| Price | $16.91 | $12.94 | $14.53 | $16.91 | $14.92 | $13.93 |
| Seller | Banggood | Banggood | Banggood | Banggood | Banggood | Banggood |
| Update | Feb 27, 2026 | Mar 1, 2026 | Mar 1, 2026 | Mar 1, 2026 | Mar 1, 2026 | Mar 1, 2026 |
| Input Voltage | DC 7-32V, USB 5V | AC 85-250V | AC 85-250V | AC 100-240V | AC 85-250V | |
| Package Contents | 1 x 4 Channel AC/DC Smart Switch with Enclosure, 1 x Temperature Sensor, 1 x Temperature/Humidity Sensor (Optional) | Mini Zigbe Smart Switch, User Manual | 1 x TYTHE D1 Tuya Smart WiFi Temperature Switch, 1 x Cable, 1 x User Manual | |||
| App Compatibility | Tuya Smart, Smart Life, Android, iOS | Tuya Smart, Smart Life | Tuya, Smart Life | |||
| Working temperature | -4°F to 176°F | -4°F to 176°F | -4°F to 158°F | |||
| Features | Remote Control via eWeLink App, Real-time Monitoring, Voice Control (Google Assistant, Alexa, YandexAlice), Data History Tracking, Automation Settings, Timer/Scheduling Functionality | Temperature and Humidity Monitoring, APP Remote Control, Historical Data Insights, Group Control, Voice Control Compatibility, Timer and Schedule Functionality | Real-time Temperature Measurement, Timing/Schedule Function, Voice Control Compatibility with Alexa and Google Home, Wi-Fi/Bluetooth Connectivity, High Current Capacity | |||
| Material | ABS plastic | ABS | Flame retardant PC V0 | ABS | ||
| Dimensions | 3.66 in x 2.17 in x 1.22 in | 3.66 x 2.17 x 1.22 in | 3.78 x 1.77 x 1.22 inches | |||
| Output Voltage | AC 85-250V | AC 85-250V | AC 100-240V | AC 85-250V | ||
| 2.4GHz (b/g/n) | IEEE 802.11b/g/n | Wi-Fi 2.4GHz b/g/n | ||||
