Shelly 1PM Gen3, World's Smallest Wi-Fi Relay Switch with Power Metering
Description
World's smallest Wi-Fi relay switch with power metering. Automate lights & appliances in under 10 mins and monitor power consumption. Equipped with Shelly chip & all Gen3 features.
Wi-Fi-operated smart switch, with power monitoring
For remote control of a wide range of home appliances and office equipment.
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Precise and real-time power metering with free cloud data storage for analysis and energy usage optimization
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New processor – ESP-Shelly-C38F chip with an increased memory of 8 MB
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Improved durability of terminals
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High security
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Wi-Fi range extender & Bluetooth gateway
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Supports scripting, webhooks, MQTT, WebSocket, HTTPS, UDP, TLS and custom certificates
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No HUB required! Easy control through Shelly Smart Control app, various home automation protocols, platforms, as well as voice assistants
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Supports KNXnet / IP communication
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Sensors, meters |
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Internal-temperature sensor: |
Yes |
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Voltmeter (AC): |
Yes |
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Ammeter (AC): |
Yes |
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Radio |
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Wi-Fi |
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Protocol: |
802.11 b/g/n |
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RF band: |
2401 - 2483 МHz |
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Max. RF power: |
< 20 dBm |
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Range: |
Up to 30 m / 100 ft indoors and 50 m / 160 ft outdoors |
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Bluetooth |
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Protocol: |
4.2 with BLE |
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RF band: |
2400 - 2483.5 MHz |
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Max. RF power: |
< 4 dBm |
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Range: |
Up to 10 m / 33 ft indoors and 30 m / 100 ft outdoors |
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Microcontroller unit |
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CPU: |
ESP-Shelly-C38F |
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Flash: |
8MB |
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Firmware capabilities |
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Schedules: |
20 |
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Webhooks (URL actions): |
20 with 5 URLs per hook |
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Scripting: |
Yes |
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MQTT: |
Yes |
Inventory Last Updated: Nov 03, 2025


