Milesight VS321 Wireless AI Occupancy LoRaWAN IoT Sensor Black

VS321 Milesight LoRaWAN AS923 Wireless battery-powered AI Occupancy Sensor enabling real-time monitoring of occupancy detection, ambient light sensing, and environmental monitoring Milesights VS321 is a battery-powered AI wireless occupancy sensor for occupancy detection, ambient light sensing, and environmental monitoring... VS321 detects occupancy at configurable intervals through regional people counting and workstation-level detection, helping optimize layouts, improve space usage, and reduce energy consumption without invasive monitoring. Perfect for organizations seeking wireless occupancy sensors for lighting control, VS321 can automatically adjust lighting based on room occupancy, ensuring energy savings and a smarter workplace.. As a wireless occupancy sensor for lights, it can trigger workstation lighting only when occupied, keeping unused areas off for maximum efficiency. Battery-powered and easy to install, the sensor delivers interval-based updates and supports 4–8 desk detection zones for effortless office management. Battery Life (Working 8h per day, 5-min detection and report interval, 25 °C) Around 10.8 Years (SF7, US915) Around 7.5 Years (SF10, EU868 & US915).. Features Wireless Battery Version (10+ Years of Life) Multi Sensors Built-in(T&H, Light) Up to 95% Occupancy Accuracy Accurate People Counting & Desk Occupancy 100% Anonymous Detection Unique Milesight D2D Controller Adopting a low-power AI chip and PIR triggered detection, combined with scheduled hibernation, effectively reduces overall power consumption Details Manufacturer's Code VS321-915M-B Frequency AU915/AS923 Tx Power 20dBm Sensitivity - Mode OTAA/ABP Class C PIR Field of View 129 ° Horizontal, 93 ° Vertical PIR Detection Area Radius: 4 m (15°C, 3m Installation Height) PIR Measuring Angle 115° Installation Height 2.4m ~ 4m Temperature Measuring Range - Temperature Accuracy ±1 °C Light Sensor Type Photodiode Humidity Measuring Range 0~100 %RH Humidity Accuracy ± 2.5 %RH Recognition Range up to 1 meter Recognition Rate >98% Buttons 1 × Multi-function Button LED Indicators 1 × Status Operating Temperature - Storage Temperature - Relative Humidity 0 ~ 95% (Non-condensing) Color Black Dimension 100 × 100 × 26 mm (3.94 × 3.94 × 1.02 in) Installation Ceiling Mounting (Screws or Adhesive Backed Fixed) Firmware & Blog Wiki Knowledge Base Case Studies IoT Academy Details Contains Sensor, Warranty Card, QSG, 3M Mounting Tape, Screws Key features 137dBm @ 300bps 40 °C~125 °C 20°C ~ +30°C 20°C ~ +60°C With D2D and LoRaWAN® support, it enables smart automation such as lighting controls and remote management

Key features

• With desk-level occupancy detection, VS321 supports flexible seating and data-driven space planning
• Ideal for offices, meeting rooms, and campuses to enhance comfort, efficiency, and space utilization