Relay Switch SwitchBot Relay Switch 2PM two-channel W5502320 – two-channel relay for smart control

The SwitchBot Relay Switch 2PM smart two-channel switch is a compact relay with an integrated Bluetooth repeater and Matter support that enables unified control of devices from different brands. Compatible with Alexa, Apple HomeKit, Google Home and SmartThings, it fits behind a traditional wall switch without wiring modifications (42 × 36 × 16 mm) and provides remote control of lights, blinds, fans and heating.

Advantages

The Relay Switch 2PM converts standard circuits into smart solutions in minutes, supporting Wi‑Fi and Bluetooth and allowing direct connection to major voice assistants via Matter without an extra hub. It measures energy consumption on two independent channels and stores usage data for up to two years in the SwitchBot app. The device supports multiple switch types and automation scenarios, integrates with other SwitchBot Bluetooth devices and includes built‑in safety features such as automatic cut‑off on overload or overheating above 100°C.

Key specifications

• Manufacturer: SwitchBot
• Model: Relay Switch 2PM
• Dimensions: 42 × 36 × 16 mm (±0.5 mm)
• Weight: 27 g (0.9 oz)
• Material: PC
• Power supply: AC 100–240 V 50/60 Hz, DC 24–30 V
• Max. output current (AC): 16 A (10 A per channel)
• Max. output current (DC): 10 A
• Number of channels: 2
• Connection methods: Wi‑Fi + Bluetooth Low Energy
• Bluetooth range: up to 10 m (indoors) / 30 m (outdoors)
• Wi‑Fi range: up to 30 m (indoors) / 50 m (outdoors)
• Installation method: Flush mounting
• Security features: automatic cut‑off on overload or overheating (above 100°C)
• Roller shutter mode: Operated
• Garage door mode: Not supported
• Integration: Matter, Alexa, Google Home, Apple HomeKit, SmartThings
• Processor: ESP32
• Max number of supported Bluetooth devices: 10
• Certifications: FCC, CE, RoHS

How to use

Install the Relay Switch 2PM behind an existing wall switch in the electrical box using flush mounting; no changes to existing wiring are required. After physical installation, add the device in the SwitchBot app via Wi‑Fi or Bluetooth, configure switch type (Toggle, Momentary, Detached or Edge) and set up automations or voice assistant integration through Matter, Alexa, Google Home, Apple HomeKit or SmartThings. Monitor energy consumption and historical data in the app to adjust settings and schedules as needed.

Recommendations

Use the Relay Switch 2PM in electrical installations that meet local regulations, keep the device within recommended Wi‑Fi/Bluetooth ranges for stable operation, and avoid placing it near heat sources. For roller shutter control, enable roller shutter mode and test travel limits. Do not exceed specified currents and consult a qualified electrician for complex installations.