Bluetooth WiFi Smart Relay – 4 Channel with Tuya Smart Life App, 433MHz RF, and Bluetooth Control Designed for versatile and reliable smart control, this 4channel Bluetooth WiFi relay allows you to manage devices locally and remotely through the Smart Life (Tuya) app, 433MHz RF remotes, and Bluetooth. It provides seamless operation even when WiFi is unavailable, making it dependable for smart home and automation projects. Key Features and Benefits: **Multiple Control Options**: Operate via Smart Life (Tuya) app, Bluetooth remote, or fixedcode 433MHz RF remote. Maintain full functionality even during WiFi loss. **Broad Voltage Range**: Compatible with DC 5V or DC 7–32V power inputs for flexible installation. **Four Independent Channels**: Each channel can be set to its own mode with momentary time from 2 seconds to 1 minute via the Smart Life app. **Smart Automation**: Auto mode allows devices to switch on or off automatically within a specified temperature range. **Scheduled and Countdown Timers**: Create schedules, countdowns, or loop timers for precise control of connected devices. **RealTime Monitoring**: View temperature and humidity readings directly from your phone, with instant updates provided to the app. **Temperature Unit Selection**: Switch between Celsius and Fahrenheit for convenience. **Precise Temperature Control**: Maintain consistent conditions for energy savings and efficiency. Performance and Compatibility: Works with the Tuya Smart Life app for easy configuration and operation. Supports fixedcode 433MHz RF remotes for stable and secure control. Bluetooth control ensures local access without internet. Four separate relay channels allow integration with multiple devices or systems. Possible Applications: 1. **Home Heating and Cooling**: Automate heaters, fans, or air conditioners to operate within a specific temperature range, ensuring comfort while saving energy. 2. **Smart Irrigation Systems**: Set timers to operate pumps or valves at fixed intervals or when certain environmental conditions are met. 3. **Access and Security Control**: Manage gates, garage doors, or security systems remotely and with redundancy when WiFi is unavailable. With multichannel flexibility, multiple control methods, and intelligent automation features, this Bluetooth WiFi Smart Relay is a dependable solution for both residential and commercial automation needs.