Shelly Releases Presence Gen4 Radar Sensor
The new smart home device uses mmWave technology to track occupancy without the need for indoor cameras.
Updated on Oct. 21, 2026 in Consumer Electronics
Live Poll
Do you trust camera-free sensor technology to protect your privacy more than standard home security cameras?
Shelly Group has launched its new Shelly Presence Gen4 sensor in North America, offering privacy-focused motion detection for smart homes. The device provides local control without cloud connectivity for up to ten people across customizable zones.
Why it matters
This sensor offers a privacy-friendly alternative to indoor security cameras by detecting micro-movements of people and pets using mmWave radar technology. By supporting local control, it enables users to automate home environments without relying on external cloud servers.
The device features a 140-degree field of view covering 650 square feet when wall-mounted and a 90-degree field covering 525 square feet when corner-mounted. Connectivity options include Wi-Fi, Bluetooth, Zigbee, and Matter.
The players
Shelly Group
Shelly Group is a global technology company that specializes in smart home automation hardware and integrated software solutions.
The details
The sensor uses mmWave radar to detect micro-movements, allowing users to configure detection through specific height thresholds and zone customization. It is powered via USB-C and is available in both black and white finishes to match various home aesthetics.
Timeline
The Shelly Presence Gen4 sensor became available in North America on October 21, 2026.
The Tech Race
The Shelly Presence Gen4 sensor extends the capabilities of the Matter smart home connectivity standard. By incorporating multi-protocol support including Matter, it marks a shift away from proprietary, siloed ecosystems toward unified, vendor-neutral home automation.
Users can now automate lighting and climate systems based on precise occupancy tracking without installing invasive cameras. The USB-C powered unit offers flexible mounting options, though shoppers should confirm compatibility with their current smart home hub protocols.
The takeaway
This launch highlights the growing consumer demand for privacy-first smart home sensors that operate locally. Integrating radar technology allows for sophisticated automation that remains functional even if a home's internet connection fails.
Further reading
Learn more about the latest hardware in our Consumer Electronics section.
More information
For full technical specifications or to view the device, visit the Shelly product information portal.
Source note: This article includes information reported by Residential Systems.
Live Poll
Do you trust camera-free sensor technology to protect your privacy more than standard home security cameras?
