4CH Wi-Fi/RF Smart Dry Contact Relay – Control Multiple Gates And Systems Remotely

Product description

Managing multiple gates, garage doors, or access systems separately is inconvenient and time-consuming.

This 4-channel Wi-Fi and RF smart dry contact relay lets you control up to four independent systems from your phone, voice assistant, or RF remote, giving you centralized and reliable access control for homes and small properties in Trinidad & Tobago.

Key features & benefits

• Four independent channels: Control up to four gates, doors, or access systems from one device
• Remote app control: Trigger each channel individually from anywhere
• Voice assistant support: Operate channels using Alexa or Google Home
• Dry contact output: Safely switches systems without supplying output voltage
• High load capacity: Handles up to 2000 W per channel
• RF 433 MHz support: Works with compatible RF remotes for manual backup control
• Flexible operation modes: Supports self-locking and inching modes
• Access sharing: Allow family members or staff to control specific channels

Compatibility & important notes

• Works on 2.4 GHz Wi-Fi only
• Uses Tuya Smart or Smart Life app
• Supports Alexa and Google Home
• Compatible with 433 MHz RF learning code remotes
• Output terminals are NO / COM dry contact only
• Relay does not supply output voltage
• Designed for systems that accept contact trigger inputs
• Phone Bluetooth must be enabled during initial pairing
• Indoor installation recommended unless housed in a protective enclosure
• Always turn off power before installation

Specifications

• Channels: 4
• Input voltage: AC 85–250 V
• Output type: Dry contact switching signal (no voltage output)
• Maximum current: 10 A per channel
• Maximum load: 2000 W per channel
• Maximum total load (4 channels combined): 3500 W / 16 A
• Wireless connectivity: Wi-Fi 2.4 GHz (b/g/n), RF 433 MHz
• Operating temperature: −20 °C to 70 °C
• Dimensions: 81 × 76 × 28 mm

Package

• 1 × 4-channel Wi-Fi/RF smart dry contact relay module
• 1 × Instruction manual