Came from Conbee 2 and suffered from USB3 interference, also attachment to my nas was not ideal. Since I have my SLZB-06 I never had any issues + having poe really is a functionally I will make use if after renovations when I will be able to hide it in the ceiling is just cranking up the WAF Factor. (source: https://www.reddit.com/r/homeassistant/comments/1az0cdq/how_do_you_like_your_smlight_slzb06m_poe_zigbee/?rdt=51227)