Important Regional Compatibility Notes:
★ United States, Canada, Mexico: Purchase “US” Connector Version
Advanced Smart Irrigation with RF433 Technology
This Tuya RF433 WiFi automatic water timer delivers intelligent garden irrigation control with 3 independent watering zones and digital programming capabilities. The smart sprinkler system operates via RF433 frequency and integrates with SmartLife app for comprehensive remote management. One gateway can manage up to 64 devices with a remarkable 1640-foot control range, making it ideal for large properties and commercial applications.
Dual Irrigation Modes for Versatile Applications
Features both Timed Irrigation Mode for traditional watering schedules and innovative Misting Irrigation Mode for fine mist applications. The mist mode cycles on and off intermittently with customizable start times, mist durations (1-60 minutes), and frequency settings. Perfect for misting systems, outdoor cooling, and dust reduction during hot summer months. Traditional timed mode allows precise scheduling with specific start times, running durations, and customizable watering days.
Smart Features and Water Conservation
Equipped with rain delay functionality that can skip watering for 1 to 7 days to conserve water and prevent over-saturation. Manual mode provides immediate water access when needed without disrupting programmed schedules. Voice control compatibility with Alexa and Google Assistant enables hands-free operation for ultimate convenience. The intelligent system helps save both water and time through automated, efficient irrigation management.
Specifications Table
| Voltage | Battery Powered (AA Batteries Required) |
| Power Supply | 2 × AA Batteries (Not Included) |
| Communication | RF433 MHz + WiFi via Gateway |
| Timer Type | Digital AC Pro Timer |
| Watering Zones | 3 Independent Outlets |
| Control Range | Up to 1640 Feet (500m) |
| Gateway Capacity | 1 Gateway Controls 64 Devices |
| Irrigation Modes | Timed Mode, Misting Mode |
| Mist Mode Settings | 1-60 Minutes Duration/Interval |
| Timed Mode Settings | Custom Start Time, Running Time, Weekday Selection |
| Rain Delay | 1-7 Days Skip Watering |
| Manual Control | Valve Unit or App Activation |
| Voice Control | Alexa and Google Assistant Compatible |
| App Compatibility | SmartLife App (iOS & Android) |
| Material | Durable Plastic Construction |
| Connector Types | UN (US/Canada/Mexico), BS (Other Countries) |
| Gateway Plugs | EU, UK, US Standards Available |
| Programming | Weekly Scheduling (Mon-Sun) |
| Special Features | Rain Delay, Manual Override, Misting Cycle |
| Applications | Garden Irrigation, Misting Systems, Outdoor Cooling |
| Water Conservation | Automated Scheduling, Rain Delay Function |
| Model Number | HCT-638 |
| Origin | Mainland China |
| High-Concerned Chemical | None |
| Type | Garden Water Timers |
| Package Contents | Water Timer Unit, User Manual |
| Countries Suitable For | Worldwide (Select Appropriate Connector) |
Key Features:
- DUAL MODE OPERATION: Timed irrigation and misting modes
- EXTENDED RANGE: 1640-foot control distance
- MULTI-DEVICE SUPPORT: One gateway manages 64 devices
- VOICE CONTROL: Alexa and Google Assistant integration
- RAIN INTELLIGENCE: 1-7 day water conservation delay
- FLEXIBLE SCHEDULING: Customizable weekday programming
- IMMEDIATE ACCESS: Manual mode for on-demand watering
- MISTING CAPABILITY: Intermittent cycling for cooling systems
- REMOTE MANAGEMENT: SmartLife app control from anywhere
Installation Requirements:
- RF433 gateway required for smart features
- 2 × AA batteries needed for operation
- Appropriate connector type for your region
- Compatible gateway plug for your country’s standard
- Standard 3/4″ garden hose connections
Smart Home Integration:
- Tuya Smart ecosystem compatibility
- SmartLife app for iOS and Android
- Voice assistant integration (Alexa/Google Assistant)
- Multi-device network management capability
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