Smart switch Sonoff S-MATE2 WiFi control with remote access

Sonoff Smart Switch S-MATE2 is a compact Wi‑Fi switch for remote control and automation of electrical circuits. The device supports up to three channels, is made of durable ABS material and comes in white. It is powered by a CR2477 battery and has compact dimensions of 40.3 x 37.4 x 18.3 mm. The S-MATE2 integrates with mechanical switches and is suitable for controlling lamps, small appliances and basic home automation scenarios.

Advantages

S-MATE2 offers long battery life (over 5 years under typical conditions), simple battery replacement, compatibility with traditional mechanical switches and multi‑channel support for flexible device control. Its minimalist design and compact size allow unobtrusive installation and integration into existing interiors and wiring without major alterations.

Suitable for

• Remote on/off control of lamps
• Control of small household appliances
• Basic home automation and scheduling via Wi‑Fi and cloud/mobile app
• Integration with existing mechanical wall switches

Key specifications

• Brand: Sonoff
• Model: S‑MATE2
• Color: White
• Battery: CR2477 (3 V)
• Channels: 1 / 2 / 3 (model supports up to three channels)
• Material: ABS
• Dimensions: 40.3 x 37.4 x 18.3 mm
• Connectivity: Wi‑Fi (remote access via mobile app/cloud)
• MPN: S‑MATE2
• EAN: 6920075740936

How to use

Install the switch according to the included mounting kit and instruction manual, connect it to the local Wi‑Fi network using the Sonoff mobile app, and pair the device. Choose the required channel configuration (1, 2 or 3 channels) and, if needed, wire it to existing mechanical switches for manual control. Replace the CR2477 battery when prompted by the app or when the device indicates low power.

Recommendations

For stable operation, use the device within the recommended indoor temperature range, maintain Wi‑Fi signal quality near the unit, and use original CR2477 batteries for best longevity. Follow local electrical safety rules when installing and consult a qualified electrician if uncertain about wiring.