Presence Sensor

Explore LinknLink presence sensors. Featuring mmWave technology with flexible wall, stand, and ceiling mounts. Perfect for precise smart home automation.
eMotion Ultra 60GHz mmWave presence sensor for high precision Home Assistant presence detection product image 2

60GHz mmWave Sensor | Advanced Presence and Environment Sensing

eMotion Ultra

High-precision mmWave radar detects tiny movements so presence stays accurate even when someone sits still. It also monitors temperature, humidity, and light for better automation.

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24GHz mmWave Sensor with Built-in IR Blaster

eMotion Pro

Combines 24GHz presence detection with IR control, so your AC, TV, and lights can automate around real occupancy for smarter routines.

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Battery-Powered 24GHz mmWave 4-in-1 Sensor + Smart Button

eMotion Air

A wireless 4-in-1 sensor with presence detection, smart button, and climate/light sensing. Deploy quickly without rewiring.

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LinknLink Presence Sensor Pack (eHome HA + 5x eMotion Pro) LinknLink

LinknLink Presence Sensor Pack (eHome HA + 5x eMotion Pro)

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LinknLink Presence Sensor Pack (eHome HA + 5x eMotion Pro)

$94.99 USD
$154.99 USD $94.99 USD
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LinknLink Bluetooth Low Energy accessories designed for discreet home monitoring and easy wireless installation.

BLE Accessories

BLE Accessories

Choose the right presence sensor for each room

eMotion Air

Need battery placement?

Start with eMotion Air for rooms where wiring is difficult.

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eMotion Pro

Need built-in IR control?

Choose eMotion Pro for AC, TV, and Home Assistant routines.

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Presence Pack Guide

Planning several rooms?

Review the presence sensor pack planning guide before buying room by room.

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eMotion Ultra

Advanced smart features?

Choose eMotion Ultra for advanced automation, enhanced IR control, and multi-room setups.

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Which One is Right For You?

Attribute
eMotion Air Basic
eMotion Air Basic
eMotion Air Plus
eMotion Air Plus
eMotion Pro
eMotion Pro
eMotion Ultra
eMotion Ultra
Power SupplyBatteryBatteryUSB-CUSB-C
Power Input3 x AAA3 x AAA5V-1A5V-2A
ConnectionBluetooth + ZigbeeBluetooth + ZigbeeWi-FiWi-Fi + Bluetooth
Hub MandatoryNoNoNo✔
mmWave Radar24GHz24GHz24GHz60GHz
Still Detection✔✔✔✔
Max Range5m5m6m6m
Distance Zones✖✖✔✔
Light Sensor✖✔✔✔
Temp Sensor✖✔Supported✔
Humidity Sensor✖✔Supported✔
Smart Button✔✔✖✖
IR Control✖✖✔✔
Works with Siri✔✔✔✔
Works with Alexa✔✔✔✔
Works with Google✔✔✔✔
Works with Home Assistant✔✔✔✔

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FAQ

What is the main difference between eMotion Pro (24GHz) and eMotion Ultra (60GHz)?

eMotion Pro uses 24GHz mmWave for accurate presence sensing and integrated IR control. eMotion Ultra uses 60GHz mmWave for finer micro-motion detection, making it better for highly sensitive automation scenarios.

Does LinknLink require a cloud subscription?

No. We prioritize local control. Our HA series and eMotion sensors support MQTT and Home Assistant natively, so they can run fully on your local network.

Can the eMotion sensors detect someone sleeping?

Yes. Unlike traditional PIR, mmWave can detect micro-movements like breathing, making it ideal for bedrooms and other low-motion areas.

Is it hard to set up with Home Assistant?

Not at all. Devices are designed for the HA community, can be discovered via MQTT, and detailed docs are available at kb.linknlink.com.

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