SONOFF 2CH DC 5-32V Wi-Fi+RF433 Dry Contact Smart Relay Module

The SONOFF 2CH is a smart two-channel relay module with dry contact (voltage-free) outputs, designed for controlling access systems, garage doors, computer power-on, and other low-voltage applications. It combines Wi-Fi and RF433 connectivity for flexible control via the eWelink app or remote.

• Two independent channels with NO/COM/NC relay outputs
• Wide input voltage range: 5V DC or 7-32V AC/DC
• RF433 receiver (EV1527 fixed code) for remote control
• Operating modes: monostable, bistable, or toggle
• Compact size: 120 x 25 x 38 mm
• LED indicators for power, Wi-Fi status, and relay state
• Wi-Fi security: WEP/WPA-PSK/WPA2-PSK

Ideal for smart home automation and industrial control where potential-free switching is required. Works with Amazon Alexa and Google Assistant via eWelink.