Broadlink SR4M Smart Radar Motion Sensor – mmWave Precision

BroadLink SR4M Radar Motion Sensor

Smart. Precise. Reliable.

Product Overview

The BroadLink SR4M is a state-of-the-art radar motion sensor designed for smart home automation. Utilizing millimeter-wave (mmWave) radar technology, it offers ultra-precise human presence detection — even when the person is stationary — making it far more advanced than traditional PIR sensors.

Key Features

• Millimeter-Wave Radar Technology: Detects human presence with high precision, even when the person is sitting or lying still. Works effectively through obstacles such as thin glass or plastic.
• Smart Automation Support: Compatible with BroadLink smart ecosystem and third-party platforms via Matter or standard APIs. Easily integrate into routines for lights, security systems, HVAC, and more.
• Adjustable Sensitivity & Range: Customize detection range and sensitivity via app to suit your room size or application. Ideal for bedrooms, bathrooms, offices, and other indoor environments.
• Wide Detection Coverage: Horizontal detection angle: up to 120°. Detection range: up to 6 meters (adjustable).
• Compact & Minimalist Design: Sleek, modern look that blends seamlessly with any interior décor. Ceiling or wall-mounted for optimal coverage.

Specifications

• Model: SR4M
• Detection Method: mmWave Radar (24GHz)
• Detection Range: Up to 6m (adjustable)
• Power Supply: USB Type-C
• Installation: Ceiling or wall-mounted
• Connectivity: Wi-Fi, supports Matter protocol
• Dimensions: Compact and discreet form factor
• App Control: BroadLink App (iOS & Android)

Use Cases

• Automate lights based on presence — no need for physical switches.
• Save energy by turning off devices when the room is unoccupied.
• Enhance security with precise motion alerts in key areas.
• Perfect for smart offices, living rooms, bathrooms, and hallways.

Why Choose SR4M?

The BroadLink SR4M offers next-gen presence detection that transforms the way you automate your smart home. Whether you're aiming for comfort, energy efficiency, or advanced security, this motion sensor is your ideal choice.