Mini AI Thermopile People Counter VS351

VS351 AI Thermopile People Counter – Compact, Wireless, and Privacy-First Footfall Analytics

The Milesight VS351 is a smart, AI-powered people counting sensor designed for indoor entrances, exits, and corridor spaces. Featuring thermopile and radar (battery version only) technology, it achieves up to 95% accuracy for real-time, bi-directional people counting. It’s available in both wired (Type-C) and wireless (battery-powered) versions—ensuring flexible deployment in office buildings, meeting rooms, or shared spaces. With lorawan® and Milesight D2D support, it enables seamless integration into your smart building network—all while remaining GDPR-compliant with 100% anonymity.

Key Features

• Dual-sensing with thermopile and radar (battery version only)
• Up to 95% accuracy (up to 99% for single-person passage)
• Fully anonymous detection – no cameras or image capture
• Radar-based trigger reduces power consumption by activating thermopile only on presence
• Ultra-low power design with up to 1.6–1.7 years battery life
• lorawan® + Milesight D2D controller – low latency, direct communication
• Stores 1000 data entries locally with retransmission to prevent loss
• Adjustable sensor angle (0° to 90°) for optimal ceiling or lintel mounting
• Tool-free NFC configuration and compatibility with Milesight IoT Cloud

Technical Specifications

Detection Area by Height

Ideal Applications

• Indoor Entry/Exit Footfall Analysis
• Meeting Room or Office Space Monitoring
• Corridor and Facility Flow Management
• Privacy-Sensitive Environments (GDPR-Compliant)

AI Accuracy. Ultra Efficiency. Privacy Always.

The VS351 is a lightweight yet powerful solution for anonymous footfall tracking and intelligent room occupancy management. Designed for indoor facilities prioritizing privacy and energy efficiency, it’s available now through TerraQ Technologies across the MEA region.