Wi‑Fi energy monitor switch Sonoff POWR316 — smart power meter with remote control

Smart 1-channel DIN-rail switch for controlling electrical devices with two-way control and remote access via Wi‑Fi 2.4 GHz. Designed for various household appliances and includes built-in power consumption metering to monitor energy usage.

Advantages

The device supports remote management through the eWeLink mobile app (Android, iOS) and integration with Home Assistant and IFTTT. It offers LAN mode control, scenario creation, device grouping, timers, synchronization and control sharing. Safety functions allow setting maximum and minimum voltage, current and power thresholds; the switch will automatically turn off the appliance if an abnormal condition is detected. The unit can also turn off the most energy-consuming devices when a daily energy goal is exceeded. Voice control compatibility includes Amazon Alexa and Google Assistant. The switch is suitable for DIN-rail mounting and can be combined with other smart-home products.

Key specifications

• Voltage: AC 100–240 V
• Maximum current: 16 A
• Frequency: 50–60 Hz
• Wi‑Fi frequency: 2.4 GHz (5 GHz not supported)
• Wi‑Fi standard: IEEE 802.11 b/g/n
• Number of channels: 1
• App: eWeLink (Android, iOS); compatible with Home Assistant and IFTTT
• Voice assistants: Amazon Alexa, Google Assistant
• Dimensions: 98 × 54 × 31 mm
• Housing material: PC V0 (non‑flammable)
• Operating temperature: -10 °C to 40 °C
• Humidity range: 5%–95%
• Weight: 150 g
• Colour: white
• Certifications: CE, FCC, RoHS
• Warranty: 24 months

How to use

Install the switch on a standard DIN rail and connect the device to AC 100–240 V following electrical safety rules. Configure the unit in the eWeLink app or via LAN mode and connect it to a 2.4 GHz Wi‑Fi network. Create scenes, timers or groups as needed and set threshold limits for voltage, current and power to enable automatic shutdown in abnormal conditions. Share control with other users or enable voice control through Amazon Alexa or Google Assistant after linking accounts in the respective apps.

Recommendations

Use the switch with appliances whose combined current does not exceed 16 A. Ensure connection to a stable 2.4 GHz Wi‑Fi network and mount the device in an environment within the specified temperature and humidity ranges. For safe operation, follow local electrical codes and consult a qualified electrician for installation.