Smarter, Faster, and More Connected

Shelly 1 Gen4 brings powerful upgrades to the popular Shelly 1 device. With new multiprotocol connectivity, you can choose the protocol that best suits your home network - Zigbee, Matter, Wi-Fi, or Bluetooth. An improved processor ensures faster responses and smoother performance of your automations. Shelly 1 Gen4 continues to be the perfect retrofit solution for your lights and appliances, now with enhanced compatibility and speed, all in its usual compact and easy-to-install design.

Multiprotocol connectivity

Highly compatible! Choose the best protocol for your smart home—Zigbee, Matter, Wi-Fi, or Bluetooth

Low and high voltage support

Use a wide range of output voltage levels. Supports low voltages.

Dry contacts

Use it to control a wide range of devices and appliances.

Matter Certified

Integrates into any Matter ecosystem.

Smart schedules

Set custom schedules based on your daily agenda, or follow the sunrise/sunset and control your lighting accordingly.

Smart scenes

Set custom scenes by combining Shelly 1 Gen4 with your other devices.

Features of Shelly 1 Gen4

• Multiprotocol connectivity: Choose from Bluetooth, Wi-Fi or Zigbee.
• Matter certified.
• Works with Apple Homekit: Control connected devices using Apple Home app or Siri through Matter
• Dry contacts (potential-free)​ - option for contactor control. Allows switching on and off of lower voltage devices.
• Low and high voltage support
• Perfect to retrofit behind existing switches and sockets
• Supports schedules, scenes and local actions
• Supports scripting, HTTPS, MQTTS, Inbound and Outbound Web Sockets
• Supports virtual components
• Internal temperature sensor for overheating protection
• No hub required! Easy control through the Shelly Smart Control app, most platforms and protocols, as well as voice assistants.

Technical specifications of Shelly 1 Gen4

• Physical
• Size (HxWxD): 37x42x16 mm
• Weight: 26 g
• Screw terminals max torque: 0.4 Nm
• Conductor cross section: 0.2 to 2.5 mm² / 24 to 14 AWG (solid, stranded, and bootlace ferrules)
• Conductor stripped length: 6 to 7 mm 
• Mounting: Wall console
• Shell material: Plastic
• Shell color: Blue
• Terminals color: Grey (Mouse Grey RAL7005, R(106) G(110) B(106), HEX #6A6E6A, LRV 15.19.)
• Environmental
• Ambient working temperature: -20 °C to 40 °C 
• Humidity: 30 % to 70 % RH
• Electrical
• Power supply: 110-240 V~ / 24-48 V⎓ / 12 V⎓
• Power consumption: < 1 W
• External protection: Cable protection switch in accordance with EN60898-1 (tripping characteristic B or C, max. 16 A rated current, min. 6 kA interrupting rating, energy limiting class 3)
• Output circuits ratings
• Max. switching voltage: 240 V~ / 30 V⎓
• Max. switching current: 16 A/240 V~ / 10 A/30 V⎓
• Sensors, meters
• Internal-temperature sensor: Yes
• Wi-Fi
• Protocol: 802.11 b/g/n
• RF band: 2412 - 2472 МHz
• Max. RF power: < 20 dBm
• Range: Up to 30 m indoors and 50 m outdoors (Depends on local conditions)
• Bluetooth
• Protocol: 4.2
• RF band: 2402 - 2480 MHz
• Max. RF power: < 4 dBm
• Range: Up to 10 m indoors and 30 m outdoors (Depends on local conditions)
• Zigbee
• Protocol: 802.15.4
• Zigbee repeater: Yes
• RF bands: 2400 to 2483.5 MHz
• Max. RF power: < 20 dBm
• Range: Up to 100 m indoors and 300 meters outdoors (Depends on local conditions)
• Microcontroller unit
• CPU: ESP-Shelly-C68F
• Flash: 8MB