SKU:S4SN-0U61X-W
Manufacturer: Shelly
Shelly Presence Sensor Wifi BT Zigbee White USB-C
Image is for illustrative purposes only
Shelly Presence Gen4 is a high-precision presence sensor that utilizes mmWave radar technology to detect human presence, even when individuals are completely still. Unlike traditional motion sensors, it tracks up to 6 people simultaneously and supports 10 customizable detection zones within an area of up to 42 m². This allows for complex, area-specific automations in residential or commercial environments.

The device features multi-protocol connectivity, including Wi-Fi 6, Bluetooth 5 LE, and Zigbee 3.0, and it is Matter-certified for broad ecosystem compatibility. A built-in light sensor provides ambient light level reporting (dark, twilight, and bright) for automated lighting control. The sensor is powered via USB-C (5V) and offers adjustable sensitivity to filter out movements from pets or robot vacuum cleaners. Its flexible mounting options allow for placement on walls, ceilings, or flat surfaces using the included stand.
Model: S4SN-0U61X
Dimensions (without stand): 64x41x26 mm
Dimensions (with stand): 73x41x37 mm
Weight (without stand): 42 g
Weight (with stand): 85 g
Shell material: Plastic with aluminum back
Color: White
Ambient working temperature: -20 °C to 40 °C
Humidity: 30 % to 70 % RH
Max. altitude: 2000 m
Power supply: 5 VDC via USB-C, 1 A
Power consumption: 2.5 W (nominal), 3.5 W (max)
Light sensor: Yes
Radar sensor: Yes (60-64 GHz)
Object detection: Up to 6 people
Detection area: Up to 8 x 8 m
Wall mount coverage: 140° horizontal, 120° vertical
Corner mount coverage: 90° horizontal, 7x7 m range
Still detection: Up to 3 m
Wi-Fi protocol: 802.11 b/g/n/ax (2401 - 2483 MHz)
Wi-Fi range: Up to 30 m indoors / 50 m outdoors
Bluetooth protocol: 5.0 LE (2402 - 2480 MHz)
Bluetooth range: Up to 10 m indoors / 30 m outdoors
Zigbee protocol: 802.15.4 (2405 - 2480 MHz)
Zigbee range: Up to 100 m indoors / 300 m outdoors
CPU: ESP-Shelly-C68F
Flash: 8 MB
Firmware features: Schedules (20), Webhooks (20), Scripting, MQTT, UDP, Encryption, KVS, Matter-over-Wi-Fi
Package includes:
Shelly Presence Gen4 device
Free-standing base with built-in weight
Mounting plate
Screws and wall plugs
Adhesive tape
Printed user guide
S4SN-0U61X-W Manual EN1.12MB
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