This WiFi 4-channel smart switch is a flexible automation controller designed for smart home and light industrial applications. The device combines four independent dry contact relay outputs with optional environmental sensing, allowing either temperature-only monitoring or combined temperature and humidity monitoring. Multiple input voltage variants are available, supporting both DC and AC power sources, making this product suitable for a wide range of installation scenarios. Full integration with the Tuya smart ecosystem enables remote control, automation scenes, and real-time environmental monitoring.

Key Features

• Four independent relay channels with passive dry contact outputs
• Available with temperature sensor or temperature & humidity sensor
• Multiple input voltage variants for flexible power supply options
• Wi-Fi 2.4 GHz connectivity with Tuya app support
• Real-time temperature and optional humidity monitoring
• Supports automation rules, alarms, and scenes in the Tuya platform
• Compact enclosure suitable for smart panels and control cabinets

Technical Specifications

• Product Variants:
  • DC 7–32 V input + temperature sensor
  • DC 7–32 V input + temperature & humidity sensor
  • AC 85–250 V input + temperature sensor
  • AC 85–250 V input + temperature & humidity sensor
• Maximum Load per Channel: 2000 W / 10 A
• Total Load (4 Channels): 3500 W / 16 A
• Wireless Standard: Wi-Fi 2.4 GHz (802.11 b/g/n) + Bluetooth
• RF Frequency: 433 MHz
• Temperature Measurement Range: −20 °C to 100 °C
• Temperature Accuracy: ±0.5 °C (within rated range)
• Humidity Measurement Range (T&H variants): 5 %RH–80 %RH
• Humidity Accuracy (T&H variants): ±5 %RH (20–80 %RH)
• Display Resolution: 0.1 °C, 1 %RH
• Operating Temperature: −20 °C to 70 °C (device)
• Recommended Sensor Operating Range: 0 °C to 40 °C
• Dimensions: 75 × 73 × 20 mm