Similar to others - I�ve had mine for several months and it�s been working great under ZHA. That said, I�ve only got a few devices - mainly bulbs, buttons and leak sensors. (source: https://www.reddit.com/r/homeassistant/comments/1az0cdq/how_do_you_like_your_smlight_slzb06m_poe_zigbee/?rdt=51229)