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Wi-Fi operated Bluetooth inclusion, or use it as a Bluetooth gateway.
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No need for neutral: Can be used without a neutral wire. Bypass is required when the device is used without neutral and the load is under 20 W.
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Supported light types: Dimmable LED lamps: up to 150 W Incandescent bulbs: up to 200 W Halogen lamps: up to 200 W Iron-core transformer with low-voltage incandescent lamps: up to 200 VA Dimmable electronic transformers: up to 200 W
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Overload and temperature protection
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Equipped with a new processor & increased flash memory – ESP Shelly
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Designed for installation in a limited space, such as wall mounts, electrical control panels, etc.
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Easy control through the Shelly app, as well as various protocols, platforms, and voice assistants.
*Bypass is required when the device is used without neutral and the load is under 20 W.
Diagrams
WIRING
With neutral

Without neutral, with Bypass
LEGEND
| Terminals | Wires | ||
|---|---|---|---|
| L (x2) | 2 live terminals | L | Live (220-240 V~) wire |
| N | Neutral terminal | N | Neutral wire |
| O (x2) | 2 output terminals to the load | ||
| S1, S2 | Switch/button input terminals for light control | ||
SPECIFICATIONS
| Physical | |
| Size (HxWxD): | 38×42.5×16.5 mm / 1.50×1.67×0.65 inch |
| Weight: | 24.3 g / 0.86 oz |
| Screw terminals max torque: | 0.4 Nm / 3.5 lbin |
| Conductor cross section: | 0.2 to 2.5 mm² / 24 to 14 AWG (solid, stranded, and bootlace ferrules) |
| Conductor stripped length: | 5 to 6 mm / 0.20 to 0.24 in |
| Mounting: | In-wall |
| Shell material: | Plastic |
| Shell color: | Shell: Lime Print: Black |
| Connector color: | Black |
| Environmental | |
| Ambient working temperature: | -20 °C to 40 °C / -5 °F to 105 °F |
| Humidity: | 30 % to 70 % RH |
| Max. altitude: | 2000 m / 6562 ft |
| Electrical | |
| Power supply: | 220-240 V~ 50 Hz |
| Power consumption: | < 1.5 W |
| Neutral not needed: | Yes |
| Min. load without neutral and without a Bypass: | 20 W |
| Dimming type | Trailing edge |
| External protection: | 16 A, tripping characteristic B or C, 6 kA interrupting rating, Energy limiting class 3 |
| Short circuit protection | Yes |
| Output circuits ratings | |
| Max. output power: | 200 W |
| Sensors, meters* | |
| Voltmeter range (AC): | 180 V – 240 V |
| Voltmeter accuracy: | ± 5 % (when used with neutral) |
| Ammeter range (AC) | 0 A – 3 A, |
| Ammeter accuracy: | ± 5 % (when used with neutral) |
| Internal-temperature sensor: | Yes |
| *Precise measurement is possible only when used with neutral. | |
| Radio | |
| Wi-Fi | |
| Protocol: | 802.11 b/g/n |
| RF band: | 2412 – 2472 МHz |
| Max. RF power: | < 20 dBm |
| Range: | Up to 30 m / 100 ft indoors and 50 m / 160 ft outdoors (Depends on local conditions) |
| Bluetooth | |
| Protocol: | 4.2 |
| RF band: | 2402 – 2480 MHz |
| Max. RF power: | < 4 dBm |
| Range: | Up to 10 m / 33 ft indoors and 30 m / 100 ft outdoors (Depends on local conditions) |
| Microcontroller unit | |
| CPU: | ESP32 C3 STM32 G051 |
| Clock frequency: | ESP32 C3: 40 Mhz |
| Flash: | 8 MB |
| Firmware capabilities | |
| Schedules: | 20 |
| Webhooks (URL actions): | 20 with 5 URLs per hook… |
| Scripting: | Yes |
| MQTT: | Yes |
| Advanced schedules: | Yes |
| KVS (Key-Value Store): | Yes |

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