Broadlink SR4M Smart Radar Motion Sensor

BroadLink SR4M Radar Motion Sensor

Smart. Accurate. Reliable.

Product Overview

The BroadLink SR4M is an advanced radar motion sensor designed specifically for smart home automation. It uses advanced millimeter wave (mmWave) technology to accurately detect human presence—even when the person is completely still—making it far more advanced than traditional PIR motion sensors.

Key Features

✅ Millimeter Wave Radar Technology

Detects human presence with high accuracy, even when the person is sitting or lying motionless.

Works efficiently even through barriers such as thin glass or plastic.

✅ Smart Automation Support

Compatible with BroadLink smart systems and third-party platforms via the Matter protocol or standard APIs.

Easily integrates into control scenarios for lighting, security systems, HVAC, and more.

✅ Customizable Sensitivity and Range Settings

The detection range and sensitivity can be adjusted via the app to suit the room size or desired application.

Ideal for bedrooms, bathrooms, offices, and other indoor spaces.

✅ Wide Detection Coverage

Horizontal detection angle up to 120°.

Detection range up to 6 meters (adjustable).

✅ Compact and Modern Design

Sleek and modern appearance blends easily with any home decor.

Can be wall- or ceiling-mounted for optimal coverage.

Technical Specifications

Model: SR4M

Detection Method: Millimeter Wave Radar (24 GHz)

Detection Range: Up to 6 meters (adjustable)

Power Supply: USB Type-C Port

Mounting: Ceiling or Wall-Mounted

Connectivity: Wi-Fi, supports Matter protocol

Dimensions: Compact and discreet design

App Control: BroadLink App (iOS and Android)

Ideal Uses

Automatically automate lighting when people are present—no need for traditional switches.

Save energy by turning off appliances when no one is in the room.

Enhance security by sending precise motion alerts in critical areas.

Ideal for smart offices, living rooms, bathrooms, and hallways.

Why choose the SR4M?

The BroadLink SR4M sensor offers advanced detection technologies that transform the way you automate your smart home. Whether you're looking for convenience, energy efficiency, or advanced security, this sensor is the perfect choice for you.