# eMotion Series

- [eMotion Pro](/kb/smart-home-devices/emotion-series/emotion-pro.md)
- [eMotion Ultra](/kb/smart-home-devices/emotion-series/emotion-ultra.md): This installation guide covers eMotion, eMotion Pro, eMotion Max and eMotion Ultra.
- [Ultra Too Sensitive? Always Showing Someone?](/kb/smart-home-devices/emotion-series/emotion-ultra/ultra-too-sensitive-always-showing-someone.md)
- [eMotion Comparison](/kb/smart-home-devices/emotion-series/emotion-comparison.md)
- [eMotion2MQTT (HA)](/kb/smart-home-devices/emotion-series/emotion2mqtt-ha.md): If you need to connect a device to Home Assistant, please follow the steps below to configure MQTT.
- [Add IR for HA](/kb/smart-home-devices/emotion-series/add-ir-for-ha.md): "Add IR for HA" Download Failed
- [Backup remote](/kb/smart-home-devices/emotion-series/backup-remote.md)
- [Radar Module](/kb/smart-home-devices/emotion-series/radar-module.md): Next-Gen 60GHz mmWave Radar Module Evolution
- [Firmware Update](/kb/smart-home-devices/emotion-series/firmware-update.md): Manually Update firmware of eMotion Sensor
- [MQTT Connection Troubleshooting](/kb/smart-home-devices/emotion-series/mqtt-connection-troubleshooting.md): Verify credential format, broker health, and network reachability so your LinknLink device can reliably connect to Home Assistant (HA) via MQTT.
- [FAQ](/kb/smart-home-devices/emotion-series/faq.md)