Radar Fall Detection Sensor

Protecting Mobility-Challenged Individuals Alone

VS373

Radar

High Fall Detection Accuracy of Up to 99%
24/7 Monitoring Even in Dark and Humid Environments
100% Privacy Protection
Contactless Fall Detection

IP65 Waterproof and Dustproof
Support DO Interface
Detect Fall, Occupancy, Bed Presence, Movement
Instant Alerts For Immediate Intervention
Software Compatibility To Unlock Data Potential

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Enhanced Safety: Reliable Fall Detection Sensor for the Elderly

The VS373 Fall Detection Sensor ensures stable and contactless monitoring, instantly detecting falls and other abnormal movements when the individual is alone. Powered by advanced fall detection technology, it contributes to achieving smart healthcare and developing comprehensive elderly care solutions.

Notice: The side cable of the VS373 is non-removable. The following illustration shows the appearance after installation, with the side cable hidden.

Advanced Radar & AI for High-Accuracy Fall Detection

Looking for a smart device to ensure safety in emergencies? Meet Milesight VS373, an intelligent fall detection device for medical and elderly care. Using advanced 4D 60-GHz mmWave radar technology, which ensures superior precision and reliability even through obstacles, and AI, it offers non-contact, high-privacy fall monitoring with 99% accuracy.

Ideal for Elderly Care and Medical Facilities

VS373 is compatible with many smart platforms. Ideal for nursing home rooms, hospital wards, smart public restrooms, and accessible restrooms, the VS373 enhances traditional alarm systems, providing exceptional safety and peace of mind, and protecting mobility-challenged individuals when alone.

Advanced Fall Detection and Alert

Confirmation Phase:

If a fall is detected, a red light will flash slowly.

First Alert:

If the fall is confirmed, the red light will flash quickly, and a buzzer will sound. After the user-configured Fall Delay Reporting Time, the incident will be reported.

Emergency Alert:

Once the alert is sent, the on-site alert will continue for a short period before stopping.

Notice: Milesight is not liable for any issues caused by environmental factors affecting performance.

Key Features of Fall Detection Sensor

4D 60-GHz mmWave Radar
with MIMO Array

Penetrating light and water mist obstacles for reliable and precise detection

99% Accurate Fall Detection
with AI Algorithms

Providing accurate and reliable timely alerts

True 24/7 Continuous
Monitoring

Operating day and night without the need for visible light

Supporting Multiple Detection
Functions

Supporting bed presence detection, room occupancy detection and motionless&over stay detection

IP65 Waterproof and Dust-proof

Ensures durability and reliable operation in various environments

Absolute Privacy Protection

No image capture, ensuring complete privacy for users

Comprehensive Alarm System

Buzzer, LED, and back-end reporting for immediate alerts

Milesight Ecosystem Compatibility

Supporting D2D protocol for low latency control and management via Milesight Development Platform

More Than Just Fall Detection: Smarter Healthcare Monitoring

Bed Presence Detection

Monitor unexpected bed exits, reducing the risk of falling and ensuring quick emergency services. If patients leave the bed outside of scheduled times, caregivers are notified immediately, enabling a swift response to any potential issues.

Room Occupancy Detection

Monitor space occupancy and trigger corresponding services. For example, when an accessible restroom is in use, other IoT devices within the space will activate. Report abnormal occupancy durations immediately via VS373.

Motionless&Over Stay Detection

Monitor if individuals with mobility issues remain in the same position for an extended period. For instance, send reminders to caregivers when the elderly are inactive for too long. This helps promote health and quickly identify any unexpected issues.

Perfect Fit for Various Indoor Settings

VS373 is designed to enhance safety and provide timely assistance in diverse indoor environments. Whether for the elderly or individuals with disabilities, VS373 ensures accurate activity monitoring and fall alerts, significantly enhancing safety when they are alone indoors.

Nursing Home Rooms

Continuous monitoring and timely alerts for quick response to falls and unusual movements, ensuring the safety of elderly residents.

Hospital Wards

Enhancing patient safety with real-time alerts, allowing medical staff to respond promptly to unusual situations.

Smart Public Restrooms

Detecting falls and unusual activity, providing immediate alerts for prompt assistance and ensuring user safety.

Accessible Restrooms

Monitoring restrooms designed for individuals with disabilities, ensuring quick response to falls and enhancing user safety.

Notice: This product is an auxiliary tool and cannot replace human supervision.

Enhance Quality of Life with Milesight D2D

Using Milesight's D2D protocol, you can create a safer and more comfortable environment for mobility-challenged individuals and the elderly living alone. The Milesight D2D protocol allows devices to interconnect directly, achieving efficient and convenient control.

Read Blog >

Alarm Integration: Timely Human Intervention

Instant alerts ensure prompt intervention, minimizing risks and enhancing safety for those in need. With the D2D protocol, devices can respond quickly, distinguishing it from traditional manual control.

Lighting Integration: Smart Occupancy Sensing

Lights automatically adjust based on occupancy, providing convenience and enhancing comfort. For example, lights turn off when no one is present, creating an intelligent and comfortable environment.

HVAC Integration: Automated Comfort Control

Through smart temperature and ventilation adjustments, it offers convenient environmental control and automatically adjusts temperature, achieving optimal comfort.

Versatile Installation

Installation Tips: Please pick the best method for your space. You can either ceiling mount with drilled holes and expansion bolts, or cutout mount with a larger hole and spring clips. Make sure to install it parallel to the ceiling and floor, and keep it at least 1 meter from the wall.

Ceiling Mounting

Cutout Mount

Device Management & Application Development

Milesight Development Platform

Milesight Development Platform simplifies IoT deployments and management with plug-and-play device configurations, batch operations for multi-device handling, and API & webhooks for custom integration and application development.

Milesight DeviceHub

Mileisight DeviceHub is a all-in-one platform that allows you to manage your devices and make customized settings remotely, while ensuring highest levels of privacy and security.

People Sensing ,
Value Viewing

Turn Invisible Scenes Into Visible Data, Gain More
Insights And See The Future.

Discover More > milesight people sensing products

Space Occupancy

People Counting

Smart Building

Smart Retail

FAQ

How to choose the right fall detection solution for elderly care?

When selecting a fall detection solution, consider the senior's mobility, daily habits, and environment. Unlike wearable devices, non-contact sensors—such as those installed in rooms or near beds—offer continuous monitoring without requiring the user to wear or charge anything.

Non-Wearable Convenience: Ideal for individuals who may forget or prefer not to wear a device. Sensors like ours detect falls automatically without user interaction.
Living Environment: Fixed-position sensors work well in bedrooms, bathrooms, or care facilities where most accidents tend to occur.
Accuracy & Speed: Choose a solution that offers real-time alerts and reliable fall detection, even when the user is alone.
Integration & Alerts: Look for systems that connect with caregiver platforms or emergency services to ensure faster response time.

Is it easy to deploy and integrate Milesight's fall detection products into existing systems?

Yes, Milesight's fall detection products are easy to deploy and integrate into existing systems. The sensors can be quickly installed without invasive setup. Utilizing Milesight gateways, support flexible data forwarding options such as MQTT broker, HTTP URL, and BACnet/IP protocols, makes it simple to connect with third-party platforms like nurse call systems, BMS, or cloud-based healthcare applications.

This gateway-based architecture allows seamless integration while ensuring compatibility with a wide range of healthcare and building management environments. Configuration is straightforward enabling fast rollout across multiple spaces.

What other products are included in Milesight's healthcare solution?

Besides people sensing, fall, and occupancy detection, Milesight's healthcare solution also includes a full set of products to support smart and responsive care environments. These include temperature and humidity monitoring, indoor air quality sensors (such as CO₂ and TVOC sensors), and high-performance LoRaWAN® gateways for reliable connectivity.

Together with the VS373, these devices form a complete deployment plan suitable for various healthcare spaces—including patient rooms, rest areas, corridors, and accessible restrooms—enabling efficient monitoring, real-time alerts, and improved care delivery.

Here are some successful deployments that demonstrate how Milesight's healthcare solution has been implemented in real-world scenarios:

For example, Milesight's hospital temperature monitoring solution a local hospital in Singapore ensures patient safety and compliance and protect medical supplies by providing with Milesight's real-time temperature monitoring in key medical areas.

Our Milesight's smart healthcare solution also helps in Spainish Health Centers improve energy efficiency and enhances well-being for patients and staffcare with real-time monitoring of temperature, humidity, and air quality, optimizing conditions and improving efficiency.

Specifications

VS373

Fall Detection¹
Technology	Millimeter Wave Radar
Recognition Rate²	Up to 99% (Single Person)
False Alarm Rate²	Down to 1% (Default fall configuration parameters)
Installation Height	2.3m～3m
Advanced Feature	Milesight D2D Controller & Agent, Occupancy Detection, In-Bed Detection, Motionless Detection, Data Storage, Data Transmission, Data Retrievability
Radar
Transceiver	24 Transmitters & 22 Receivers
Frequency	60GHz
FoV	70 ° Horizontal, 140 ° Vertical
Detection Range	4m*5m (Within the installation height)
Wireless Transmission
Protocol	LoRaWAN® , Milesight D2D
Frequency	CN470/IN865/EU868/RU864/US915/AU915/KR920/AS923-1&2&3&4
Tx Power	16 dBm (868 MHz)/22 dBm (915MHz)/19 dBm (470MHz)
Sensitivity	-137 dBm @300bps
Mode	OTAA/ABP Class C
Other Interfaces
Wi-Fi	IEEE 802.11 b/g/n, 2.4GHz (AP Mode for configuration)
DI/DO	1 × DO (60V/1A)
Button	1 × Reset Button,1 × Multi-function Button
LED Indicators	1 × Multi-color LED Indicator
Buzzer	1 × Buzzer
Power Input	1 × Type-C Cable (2m)
Physical Characteristics
Power Supply	DC 5V/ 3A by Type-C Port
Power Consumption	Max: 9.5W
Operating Temperature	0°C ~ 50°C
Relative Humidity	0 ~ 95% (Non-condensing)
Dimension	110 × 82 × 15 mm (4.33 × 3.23 × 0.59 in)
Weight	214.5g
Ingress Protection	IP65
Color & Material	White, ABS (UL94 V1)
Installation	Ceiling Mounting

¹: The part of the data are all derived from laboratory conditions, and there may be deviations in actual use due to changes in the objective environment.
²: Installation under single-person scenario, non-narrow space, no strongly reflective objects (such as glass, mirrors, large areas of metal), no moving objects (such as fans, pets, robot vacuums); and correctly installed according to the steps in the guide.

Notice： This product is intended only as an auxiliary tool and cannot fully replace manual monitoring or personal companionship. For details please refer to Disclaimer and Important Information.

Documents

VS373 Datasheet VS373 User Guide