I installed the Tapo S515D Kit in a 3-way setup and it works exactly as expected. Being Matter-certified, it paired quickly with my existing smart home app without extra hubs. The two-set kit covered both switch locations, which was convenient. Dimming is smooth, and the switches feel solid. Setup instructions were clear enough for a DIY install. Good option if you want smart dimming on a 3-way circuit without overcomplicating things.