AKAMATIS Human Presence Sensor v2.3 for Home Assistant, mmWave Radar Wired Smart Motion Sensor, 2.4 GHz WiFi, Requires Home Assistant (Seeed C3 with External Antenna + LD2410B)

【Advanced Radar Sensing】 Utilizes millimeter-wave radar to detect both moving and stationary objects up to 20 feet (6 meters) indoors. Compared to traditional PIR sensors, it offers higher precision, greater automation flexibility, and requires fewer sensors to cover the same area.【Compact, Plug-and-Play Design】 Custom-built with the HLK-LD2410B and Seeed C3, featuring an external Wi-Fi antenna mounted on a fold-out panel. This design significantly improves Wi-Fi signal strength and range, providing reliable and stable connectivity. Powered via USB-C — no batteries, no hassle.【Easy Integration with Home Assistant — No ESPHome Setup Needed】 Each device comes pre-flashed with ready-to-use ESPHome firmware. Simply connect to the device’s hotspot, enter your Wi-Fi credentials, and add it to Home Assistant — no manual configuration or ESPHome installation required.【Discreet and Modern Aesthetic】 A minimalist profile and neutral colors allow the sensor to blend seamlessly into any room, reducing visual clutter and avoiding unnecessary distraction.

• 【Home Assistant Required】 Works only with Home Assistant, an open-source smart home platform for local control and automation. Home Assistant must already be installed and running on a computer. Basic familiarity required.
• 【Advanced mmWave Radar Sensing】 Detects motion and stationary presence up to 20 ft (6 m) indoors. More precise and flexible than PIR sensors, covering larger areas with fewer devices.
• 【Reliable Wi-Fi with External Antenna】 Built with HLK-LD2410B and Seeed XIAO ESP32-C3, featuring an external Wi-Fi antenna on a fold-out panel for improved signal strength and range.
• 【Plug-and-Play, USB-C Powered】 Compact design powered via USB-C. No batteries, no maintenance, easy placement.
• 【Ready for Home Assistant】 Comes pre-flashed with ESPHome. Simply connect to the device hotspot, enter Wi-Fi credentials, and add it to Home Assistant — no manual setup required.