Ledgebit Zigbee Human Presence Detector – Ceiling Mount | Zigbee Bridge-Hub Required

Transform your home or office into a truly intelligent space with the Ledgebit Zigbee Human Presence Detector – Ceiling Mount, a ceiling-mounted detector that utilizes advanced 5.8GHz millimeter wave (mmWave) radar technology to accurately identify human presence—whether in motion or stationary states like sitting, reading, or sleeping. This Zigbee variant stands out for its seamless integration into mesh networks, offering superior reliability in expansive smart home ecosystems compared to traditional PIR sensors, which often fail to detect subtle micro-movements (e.g., breathing or typing) and are susceptible to false alarms from pets, drafts, or temperature changes.

By leveraging the Tuya Smart Life app (or Smart Life app), this sensor provides intuitive remote control and customization, allowing you to fine-tune settings for optimal performance in diverse environments, such as bedrooms for sleep monitoring, living areas for automated lighting, or offices for occupancy-based HVAC adjustments. The built-in illuminance sensor (0-3000 Lux) adds contextual intelligence, enabling automations that activate only under specific lighting conditions—helping conserve energy by avoiding unnecessary triggers in bright rooms or during daylight hours.

Operating on the Zigbee 3.0 protocol, it requires a compatible Tuya Zigbee hub (or gateways like Amazon Echo with built-in Zigbee) for connectivity, which facilitates robust mesh networking, extended range through signal hopping, and low-latency communication in multi-device setups. This makes it ideal for larger homes where Wi-Fi signals might weaken, while supporting voice control via Alexa, Google Home (through Tuya integration), and other platforms like Home Assistant or IFTTT for hands-free operation, scene automation, and linkages with devices such as smart lights, thermostats, cameras, or alarms. Users receive real-time push notifications for detected presence, enhancing security for anti-theft purposes or elderly care, without the privacy intrusions of camera-based systems.

Constructed from durable ABS plastic, this AC-powered device (80-250V) installs easily on ceilings for wide-area coverage, with no batteries needed for uninterrupted 24/7 functionality. Its radar-based detection penetrates non-metallic barriers to some extent, focusing solely on human signals to minimize environmental interference, though performance can vary based on room layout, metallic objects, or mounting height.

This Zigbee model empowers efficient, privacy-focused smart living by distinguishing between occupied and vacant spaces more reliably than basic motion detectors, potentially reducing utility bills through precise automation.

To expand your setup, check out our full Smart Devices Collection.

Specifications

• Wireless Protocol: Zigbee 3.0
• Power Supply: AC 80-250V, 50/60Hz
• Radar Technology: 5.8GHz mmWave radar (excels at human-specific detection with minimal false positives)
• Detection Capabilities: Motion range up to 10m (0-1000 cm); stationary presence up to 6m (0-600 cm); sensitive to micro-movements like breathing; general coverage 10-20m under ideal conditions
• Detection Angle: Approximately 120° horizontal (typical for ceiling-mounted mmWave sensors)
• Detection Range Adjustment: App-configurable (Tuya sensors allow 0-9.5m tuning for room-specific optimization)
• Sensitivity Levels: Adjustable via app (common in Tuya ecosystem for balancing detection accuracy and false alarm reduction)
• Hold Time and Delay: Customizable in app (e.g., hold detection post-absence; similar models support 0-1500s hold and 0-10s delay to handle brief interruptions)
• Illuminance Sensor: 0-3000 Lux for ambient light-based automations
• Working Temperature: -10°C to +55°C
• Working Humidity: 0-95% RH (non-condensing)
• Material and Build: ABS plastic (flame-retardant properties common); IP20-equivalent for indoor use
• Certifications: Likely CE, RoHS (standard for Tuya products; confirm with supplier)
• Compatibility: Tuya/Smart Life app with OTA updates; integrates with Alexa, Google Home, Home Assistant (via Zigbee2MQTT), IFTTT; supports scenes with 100+ devices
• Product Dimensions: Compact ceiling-mount design (around 9-10cm diameter based on similar models)
• Product Weight: Lightweight (under 100g typical)